CVE-2022-1040

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 2022-03-31), 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: 100%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.

An authentication bypass vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v18.5 MR3 and older.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
100%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

March 25, 2022

Last Modified

October 27, 2025

Advisory Details (4)

Auto-updated Sep 24, 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-2022-1040
generic🟡 PoC Available
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce
generic🟡 PoC Available

Sophos XG115w Firewall 17.0.10 MR-10 - Authentication Bypass - Hardware webapps Exploit

https://www.exploit-db.com/exploits/51006
generic

Locked Out | Packet Storm

http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 61× in last 7d / 232× 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 827 total refreshes for this CVE.

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

Publicly available exploits

(6 references)

Working exploit code is in the public domain (4 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCjackson5sec/CVE-2022-1040
    First seen Oct 30, 2022

    This vulnerability allows an attacker to gain unauthorized access to the firewall management space by bypassing authentication

    Open source ↗
  • GitHub PoCKeith-amateur/cve-2022-1040
    First seen Oct 7, 2022

    Save the trouble to open the burpsuite...

    Open source ↗
  • GitHub PoCjam620/Sophos-Vulnerability
    First seen Sep 25, 2022

    CVE-2022-1040

    Open source ↗
  • Exploit-DBEDB-51006
    First seen Sep 2, 2022

    Sophos XG115w Firewall 17.0.10 MR-10 - Authentication Bypass

    Open source ↗
  • GitHub PoCkillvxk/CVE-2022-1040
    First seen May 6, 2022

    may the poc with you

    Open source ↗
  • Nucleihttp/cves/2022/CVE-2022-1040.yaml
    First seen Jan 1, 2022

    Sophos Firewall <=18.5 MR3 - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2022-1040?
CVE-2022-1040 is a critical vulnerability published on March 25, 2022. An authentication bypass vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v18.5 MR3 and older.
When was CVE-2022-1040 disclosed?
CVE-2022-1040 was first published in the National Vulnerability Database on March 25, 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-2022-1040 actively exploited?
Yes. CISA added CVE-2022-1040 to the Known Exploited Vulnerabilities catalog on March 31, 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-2022-1040?
CVE-2022-1040 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-1040?
CVE-2022-1040 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-2022-1040?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-1040, 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

Explore the affected products and dependency analysis for CVE-2022-1040

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