CVE-2022-3236

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-09-23), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 99%CVSS: 9.8Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

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

A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: 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
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
99%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

September 23, 2022

Last Modified

October 27, 2025

Advisory Details (2)

Auto-updated Sep 17, 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-2022-3236
generic🔴 Active Exploitation

Resolved RCE in Sophos Firewall (CVE-2022-3236) | Sophos

https://www.sophos.com/en-us/security-advisories/sophos-sa-20220923-sfos-rce

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 50× in last 7d / 221× 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 790 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • Nucleihttp/cves/2022/CVE-2022-3236.yaml
    First seen Jan 1, 2022

    Sophos Firewall <= 19.0 MR1 - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2022-3236?
CVE-2022-3236 is a critical vulnerability published on September 23, 2022. A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.
When was CVE-2022-3236 disclosed?
CVE-2022-3236 was first published in the National Vulnerability Database on September 23, 2022, with the most recent update on October 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-3236 actively exploited?
Yes. CISA added CVE-2022-3236 to the Known Exploited Vulnerabilities catalog on September 23, 2022, affecting Sophos Firewall. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-3236?
CVE-2022-3236 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-3236?
CVE-2022-3236 affects Sophos Firewall. 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-2022-3236?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-3236, 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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