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)
EPSS
93.3%
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

Loading...

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 99× in last 7d / 430× 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 606 total refreshes for this CVE.

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

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

Explore →

Is Your Infrastructure Affected by CVE-2022-27518?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs