CVE-2022-48565

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-08-22. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
Elevated

Also known asEUVD-2022-51261 (ENISA EUVD) · GHSA-crhm-wc96-7579 (GitHub Security Advisories)Source: ENISA EUVD

9.8EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • Public exploit or proof-of-concept code is available
CISA-KEV: Not listedEPSS PROB: 5.2%CVSS: 9.8Exploit: Public PoCExposed services: Not assessed

A fix is available — apply it.

An XML External Entity (XXE) issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
75
EG Risk 75/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity98% × 45%
Impact severity (EG Severity): CVSS 9.8 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low, Track* at medium and Attend at high mission impact.
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
5.2%
EPSS %ILE
92nd
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (9.8): severity, escalated by confirmed exploitation. This CVE's 9.8 is its impact severity (EG Severity), not escalated.

EG Severity
9.8 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
5.2% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-12). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track* at medium mission impactTrack at low, Track* at medium and Attend at high mission impact.CISA BOD 26-04: 3 days if the affected system is publicly exposed; 60 days if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low, Track* at medium and Attend at high mission impact.

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)3 days if the affected system is publicly exposed; 60 days if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

August 22, 2023

Last Modified

November 21, 2024

Advisory Details (7)

Auto-updated Oct 10, 2026
Patch available.
Web pageMentions a patch (unverified)

[SECURITY] [DLA 3614-1] python3.7 security update

https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html
Web pageMentions a patch (unverified)

[SECURITY] [DLA 3575-1] python2.7 security update

https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html
Web page

Issue 42051: [security] Avoid plistlib XML vulnerabilities by rejecting entity directives - Python tracker

https://bugs.python.org/issue42051
Web page

[SECURITY] Fedora 37 Update: python2.7-2.7.18-35.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KZRZRJHWLZ7MOJNPQBWGJVXMVYDC5BRA/
Web page

[SECURITY] Fedora 39 Update: python2.7-2.7.18-35.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BAYWJD576JUKLHCWKDLMJSUGTRDKPF3M/
Web page

[SECURITY] Fedora 38 Update: python2.7-2.7.18-35.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFHYAGWBFBNUGWU6XWKBHTCV5NH77MB7/

Vendor Advisories for CVE-2022-48565(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntupython3.5-venv (3.5.2-2ubuntu0~16.04.13+esm9) @ xenial2026-11-02ubuntu
ubuntupython2.7-minimal (2.7.18-13ubuntu1.5) @ jammy2026-11-02ubuntu
ubuntupython3.9-venv (3.9.5-3ubuntu0~20.04.1+esm2) @ focal2026-11-02ubuntu
redhatpython27:2.7-8100020240208011952.5f0f67de2024-05-22redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(8 across 5 ecosystems)
Debian:11(3)
PackageVulnerable rangeFix by version rangeDependents
pypy3—
  • every version up to 7.3.5+dfsg-2: fixed in 7.3.5+dfsg-2
—
python2.72.7.18-8
  • every version up to 2.7.18-8+deb11u1: fixed in 2.7.18-8+deb11u1
—
python3.9—
  • every version up to 3.9.1~rc1-1: fixed in 3.9.1~rc1-1
—
Debian:10(2)
PackageVulnerable rangeFix by version rangeDependents
python2.72.7.16-2, 2.7.16-2+deb10u1, 2.7.16-2+deb10u2
  • every version up to 2.7.16-2+deb10u3: fixed in 2.7.16-2+deb10u3
—
python3.73.7.3-2 ... 3.7.3-2+deb10u5 (6 versions)
  • every version up to 3.7.3-2+deb10u6: fixed in 3.7.3-2+deb10u6
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
pypy3—
  • every version up to 7.3.5+dfsg-2: fixed in 7.3.5+dfsg-2
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
pypy3—
  • every version up to 7.3.5+dfsg-2: fixed in 7.3.5+dfsg-2
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
pypy3—
  • every version up to 7.3.5+dfsg-2: fixed in 7.3.5+dfsg-2
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(3)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 21× in last 7d / 86× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed its CVE.org record (CNA or CISA ADP). An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

Showing the most recent 100 of 298 rows on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 198 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-13 03:19 UTCEchelonGraph re-scored
  2. 2026-11-13 03:19 UTCVendor advisory
  3. 2026-11-13 03:19 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  4. 2026-11-12 16:30 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  5. 2026-11-12 01:39 UTCEchelonGraph re-scored
  6. 2026-11-12 01:39 UTCVendor advisory
  7. 2026-11-12 01:39 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  8. 2026-11-11 16:33 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  9. 2026-11-10 23:58 UTCEchelonGraph re-scored
  10. 2026-11-10 23:58 UTCVendor advisory
  11. 2026-11-10 23:58 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  12. 2026-11-10 16:36 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  13. 2026-11-09 22:18 UTCEchelonGraph re-scored
  14. 2026-11-09 22:18 UTCVendor advisory
  15. 2026-11-09 22:18 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  16. 2026-11-09 16:30 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  17. 2026-11-08 20:35 UTCEchelonGraph re-scored
  18. 2026-11-08 20:35 UTCVendor advisory
  19. 2026-11-08 20:35 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  20. 2026-11-08 16:34 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  21. 2026-11-07 18:54 UTCEchelonGraph re-scored
  22. 2026-11-07 18:54 UTCVendor advisory
  23. 2026-11-07 18:54 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  24. 2026-11-07 16:34 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  25. 2026-11-06 17:14 UTCEchelonGraph re-scored
Show 75 more
  1. 2026-11-06 17:14 UTCVendor advisory
  2. 2026-11-06 17:14 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  3. 2026-11-06 16:31 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  4. 2026-11-05 16:32 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  5. 2026-11-05 15:34 UTCEchelonGraph re-scored
  6. 2026-11-05 15:34 UTCVendor advisory
  7. 2026-11-05 15:34 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  8. 2026-11-04 16:30 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  9. 2026-11-04 13:54 UTCEchelonGraph re-scored
  10. 2026-11-04 13:54 UTCVendor advisory
  11. 2026-11-04 13:54 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  12. 2026-11-04 08:55 UTCOSV refresh
  13. 2026-11-03 16:40 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  14. 2026-11-03 12:13 UTCEchelonGraph re-scored
  15. 2026-11-03 12:13 UTCVendor advisory
  16. 2026-11-03 12:13 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  17. 2026-11-02 16:39 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  18. 2026-11-02 10:33 UTCEchelonGraph re-scored
  19. 2026-11-02 10:33 UTCVendor advisory
  20. 2026-11-02 10:33 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  21. 2026-11-01 08:53 UTCEchelonGraph re-scored
  22. 2026-11-01 08:53 UTCVendor advisory
  23. 2026-11-01 08:53 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  24. 2026-10-31 16:29 UTCEPSS rescoreEPSS 5.2% · 92nd percentile
  25. 2026-10-31 07:12 UTCEchelonGraph re-scored
  26. 2026-10-31 07:12 UTCVendor advisory
  27. 2026-10-31 07:12 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  28. 2026-10-30 16:31 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  29. 2026-10-30 05:28 UTCEchelonGraph re-scored
  30. 2026-10-30 05:28 UTCVendor advisory
  31. 2026-10-30 05:28 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  32. 2026-10-29 16:30 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  33. 2026-10-29 03:48 UTCEchelonGraph re-scored
  34. 2026-10-29 03:48 UTCVendor advisory
  35. 2026-10-29 03:48 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  36. 2026-10-28 16:28 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  37. 2026-10-28 02:08 UTCEchelonGraph re-scored
  38. 2026-10-28 02:08 UTCVendor advisory
  39. 2026-10-28 02:08 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  40. 2026-10-27 16:28 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  41. 2026-10-27 00:25 UTCEchelonGraph re-scored
  42. 2026-10-27 00:25 UTCVendor advisory
  43. 2026-10-27 00:25 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  44. 2026-10-26 16:28 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  45. 2026-10-25 19:10 UTCVendor advisory
  46. 2026-10-25 19:10 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  47. 2026-10-25 17:55 UTCEchelonGraph re-scored
  48. 2026-10-25 16:29 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  49. 2026-10-24 17:05 UTCEchelonGraph re-scored
  50. 2026-10-24 17:05 UTCVendor advisory
  51. 2026-10-24 17:05 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  52. 2026-10-24 16:29 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  53. 2026-10-23 16:29 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  54. 2026-10-23 15:25 UTCEchelonGraph re-scored
  55. 2026-10-23 15:25 UTCVendor advisory
  56. 2026-10-23 15:25 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  57. 2026-10-22 16:30 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  58. 2026-10-22 13:43 UTCEchelonGraph re-scored
  59. 2026-10-22 13:43 UTCVendor advisory
  60. 2026-10-22 13:43 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  61. 2026-10-21 16:29 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  62. 2026-10-21 12:03 UTCEchelonGraph re-scored
  63. 2026-10-21 12:03 UTCVendor advisory
  64. 2026-10-21 12:03 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  65. 2026-10-20 16:29 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  66. 2026-10-20 10:22 UTCEchelonGraph re-scored
  67. 2026-10-20 10:22 UTCVendor advisory
  68. 2026-10-20 10:22 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  69. 2026-10-19 16:28 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  70. 2026-10-19 08:39 UTCEchelonGraph re-scored
  71. 2026-10-19 08:39 UTCVendor advisory
  72. 2026-10-19 08:39 UTCGHSA enrichmentGHSA-crhm-wc96-7579 · GitHub severity CRITICAL · GitHub CVSS 9.8
  73. 2026-10-18 16:29 UTCEPSS rescoreEPSS 5.1% · 92nd percentile
  74. 2026-10-18 06:57 UTCEchelonGraph re-scored
  75. 2026-10-18 06:57 UTCVendor advisory

Publicly available exploits

(1 reference)

Public exploit code is referenced for this CVE (1 GitHub PoC). Defenders should treat patch urgency accordingly.

  • GitHub PoCEinstein2150/CVE-2022-48565-POC
    Published Oct 22, 2024

    A proof-of-concept for CVE-2022-48565 - python plistlib XML deserialisation attack

    Open source ↗

Frequently asked(5)

What is CVE-2022-48565?
CVE-2022-48565 is a critical-severity vulnerability; its CVE record was published on August 22, 2023. An XML External Entity (XXE) issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities.
When was the CVE record for CVE-2022-48565 published?
The CVE record for CVE-2022-48565 was published on August 22, 2023. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of November 21, 2024; the record at its source may have been updated since.
Is CVE-2022-48565 actively exploited?
CVE-2022-48565 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.2% probability of exploitation in the next 30 days (92nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-48565?
CVE-2022-48565 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-48565?
A fix for CVE-2022-48565 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2022-48565 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-48565

Explore →

Is Your Infrastructure Affected by CVE-2022-48565?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.