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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 7%CVSS: 9.8Exploit: cisa kev · ssvc active · public exploitExposed: 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
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
7%
EPSS %ILE
94%
KEV
⚠ Exploited

Published

December 13, 2022

Last Modified

February 25, 2026

Advisory Details (2)

Auto-updated Sep 17, 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 60× in last 7d / 261× 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 930 total refreshes for this CVE.

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

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