CVE-2022-27518

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 2022-12-13), 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: 7%CVSS: 9.8Exploit: NoneExposed: 0

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

Unauthenticated remote arbitrary code execution

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
—
EPSS
93.4%
KEV
⚠ Exploited

Published

December 13, 2022

Last Modified

February 25, 2026

Advisory Details (2)

Auto-updated May 25, 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-2022-27518
generic

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https://support.citrix.com/article/CTX474995

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 66× in last 7d / 253× 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 448 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • GitHub PoCdolby360/CVE-2022-27518_POC
    First seen Jan 17, 2023

    A POC on how to exploit CVE-2022-27518

    Open source ↗

Frequently asked(6)

What is CVE-2022-27518?
CVE-2022-27518 is a critical vulnerability published on December 13, 2022. Unauthenticated remote arbitrary code execution
When was CVE-2022-27518 disclosed?
CVE-2022-27518 was first published in the National Vulnerability Database on December 13, 2022, with the most recent update on February 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-27518 actively exploited?
Yes. CISA added CVE-2022-27518 to the Known Exploited Vulnerabilities catalog on December 13, 2022, affecting Citrix Application Delivery Controller (ADC) and Gateway. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-27518?
CVE-2022-27518 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-27518?
CVE-2022-27518 affects Citrix Application Delivery Controller (ADC) and Gateway. 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-2022-27518?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-27518, 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-2022-27518

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