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
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 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
100.0%
KEV
⚠ Exploited

Published

March 25, 2022

Last Modified

October 27, 2025

Advisory Details (3)

Auto-updated Jun 1, 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

Resolved RCE in Sophos Firewall (CVE-2022-1040) | Sophos

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 36× in last 7d / 197× 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 376 total refreshes for this CVE.

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