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 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-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 52× in last 7d / 217× 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 705 total refreshes for this CVE.

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