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 — 3 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 Jul 28, 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 32× in last 7d / 194× 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 403 total refreshes for this CVE.

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