CVE-2023-20963

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-04-13), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 7.8Exploit: cisa kev · ssvc active · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
73%
KEV
⚠ Exploited

Published

March 24, 2023

Last Modified

October 23, 2025

Advisory Details (2)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20963
generic

Android Security Bulletin—March 2023  |  Android Open Source Project

https://source.android.com/security/bulletin/2023-03-01

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 58× in last 7d / 247× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 918 total refreshes for this CVE.

  1. 2026-09-19 23:05 UTCGHSA enrichment
  2. 2026-09-19 18:58 UTCEG score recompute
  3. 2026-09-19 18:58 UTCGHSA enrichment
  4. 2026-09-19 15:38 UTCEPSS rescore
  5. 2026-09-19 14:50 UTCGHSA enrichment
  6. 2026-09-19 10:43 UTCGHSA enrichment
  7. 2026-09-19 06:35 UTCGHSA enrichment
  8. 2026-09-19 02:28 UTCGHSA enrichment
  9. 2026-09-18 22:20 UTCEG score recompute
  10. 2026-09-18 22:20 UTCGHSA enrichment
  11. 2026-09-18 19:25 UTCEPSS rescore
  12. 2026-09-18 19:20 UTCCISA KEV update
  13. 2026-09-18 18:13 UTCGHSA enrichment
  14. 2026-09-18 14:15 UTCCISA KEV update
  15. 2026-09-18 14:06 UTCGHSA enrichment
  16. 2026-09-18 09:59 UTCGHSA enrichment
  17. 2026-09-18 05:52 UTCGHSA enrichment
  18. 2026-09-18 01:45 UTCGHSA enrichment
  19. 2026-09-17 21:38 UTCEG score recompute
  20. 2026-09-17 21:38 UTCGHSA enrichment
  21. 2026-09-17 19:24 UTCEPSS rescore
  22. 2026-09-17 17:30 UTCGHSA enrichment
  23. 2026-09-17 13:24 UTCGHSA enrichment
  24. 2026-09-17 09:17 UTCGHSA enrichment
  25. 2026-09-17 05:10 UTCGHSA enrichment
Show 75 more
  1. 2026-09-17 01:03 UTCGHSA enrichment
  2. 2026-09-16 20:55 UTCGHSA enrichment
  3. 2026-09-16 16:48 UTCEG score recompute
  4. 2026-09-16 16:47 UTCGHSA enrichment
  5. 2026-09-16 14:10 UTCCISA KEV update
  6. 2026-09-16 14:05 UTCEPSS rescore
  7. 2026-09-16 12:36 UTCGHSA enrichment
  8. 2026-09-16 08:29 UTCEG score recompute
  9. 2026-09-16 08:28 UTCGHSA enrichment
  10. 2026-09-16 05:11 UTCEPSS rescore
  11. 2026-09-16 04:18 UTCGHSA enrichment
  12. 2026-09-16 00:08 UTCGHSA enrichment
  13. 2026-09-15 20:01 UTCGHSA enrichment
  14. 2026-09-15 15:54 UTCGHSA enrichment
  15. 2026-09-15 11:47 UTCGHSA enrichment
  16. 2026-09-15 07:40 UTCGHSA enrichment
  17. 2026-09-15 03:33 UTCEG score recompute
  18. 2026-09-15 03:33 UTCGHSA enrichment
  19. 2026-09-15 03:07 UTCEPSS rescore
  20. 2026-09-14 23:26 UTCGHSA enrichment
  21. 2026-09-14 19:24 UTCCISA KEV update
  22. 2026-09-14 19:19 UTCGHSA enrichment
  23. 2026-09-14 15:12 UTCGHSA enrichment
  24. 2026-09-14 11:05 UTCGHSA enrichment
  25. 2026-09-14 06:58 UTCGHSA enrichment
  26. 2026-09-14 02:51 UTCGHSA enrichment
  27. 2026-09-13 22:44 UTCGHSA enrichment
  28. 2026-09-13 18:37 UTCEG score recompute
  29. 2026-09-13 18:37 UTCGHSA enrichment
  30. 2026-09-13 16:44 UTCEPSS rescore
  31. 2026-09-13 14:30 UTCGHSA enrichment
  32. 2026-09-13 10:23 UTCGHSA enrichment
  33. 2026-09-13 06:16 UTCGHSA enrichment
  34. 2026-09-13 02:08 UTCGHSA enrichment
  35. 2026-09-12 22:01 UTCGHSA enrichment
  36. 2026-09-12 17:54 UTCEG score recompute
  37. 2026-09-12 17:54 UTCGHSA enrichment
  38. 2026-09-12 14:58 UTCEPSS rescore
  39. 2026-09-12 13:47 UTCGHSA enrichment
  40. 2026-09-12 09:40 UTCGHSA enrichment
  41. 2026-09-12 05:33 UTCGHSA enrichment
  42. 2026-09-12 01:26 UTCGHSA enrichment
  43. 2026-09-11 21:18 UTCGHSA enrichment
  44. 2026-09-11 18:49 UTCCISA KEV update
  45. 2026-09-11 17:11 UTCEG score recompute
  46. 2026-09-11 17:11 UTCGHSA enrichment
  47. 2026-09-11 13:04 UTCEG score recompute
  48. 2026-09-11 13:04 UTCGHSA enrichment
  49. 2026-09-11 09:34 UTCEPSS rescore
  50. 2026-09-11 08:57 UTCGHSA enrichment
  51. 2026-09-11 04:50 UTCGHSA enrichment
  52. 2026-09-11 00:43 UTCGHSA enrichment
  53. 2026-09-10 20:36 UTCGHSA enrichment
  54. 2026-09-10 19:28 UTCCISA KEV update
  55. 2026-09-10 16:29 UTCGHSA enrichment
  56. 2026-09-10 12:22 UTCEG score recompute
  57. 2026-09-10 12:22 UTCGHSA enrichment
  58. 2026-09-10 08:15 UTCGHSA enrichment
  59. 2026-09-10 04:08 UTCGHSA enrichment
  60. 2026-09-10 00:01 UTCGHSA enrichment
  61. 2026-09-09 19:53 UTCGHSA enrichment
  62. 2026-09-09 19:08 UTCCISA KEV update
  63. 2026-09-09 15:43 UTCGHSA enrichment
  64. 2026-09-09 11:36 UTCGHSA enrichment
  65. 2026-09-09 07:28 UTCGHSA enrichment
  66. 2026-09-09 03:21 UTCGHSA enrichment
  67. 2026-09-08 23:14 UTCEG score recompute
  68. 2026-09-08 23:14 UTCGHSA enrichment
  69. 2026-09-08 21:57 UTCEPSS rescore
  70. 2026-09-08 19:07 UTCGHSA enrichment
  71. 2026-09-08 18:54 UTCCISA KEV update
  72. 2026-09-08 14:59 UTCGHSA enrichment
  73. 2026-09-08 10:49 UTCGHSA enrichment
  74. 2026-09-08 06:39 UTCGHSA enrichment
  75. 2026-09-08 02:32 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCpwnipc/BadParcel
    First seen Jun 12, 2023

    CVE-2023-20963 PoC (Android WorkSource parcel/unparcel logic mismatch)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2023-20963?
CVE-2023-20963 is a critical vulnerability published on March 24, 2023. In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519
When was CVE-2023-20963 disclosed?
CVE-2023-20963 was first published in the National Vulnerability Database on March 24, 2023, with the most recent update on October 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-20963 actively exploited?
Yes. CISA added CVE-2023-20963 to the Known Exploited Vulnerabilities catalog on April 13, 2023, affecting Android Framework. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-20963?
CVE-2023-20963 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-20963?
CVE-2023-20963 affects Android Framework. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-20963?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-20963, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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