CVE-2022-27311

Critical

Published: 25 April 2022

Published

25 April 2022

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0027 50.9th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-27311 is a critical-severity SSRF (CWE-918) vulnerability in Gibbon Project Gibbon. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 49.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Gibbon v3.4.4 and below allows attackers to execute a Server-Side Request Forgery (SSRF) via a crafted URL.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

gibbon project

gibbon

≤ 3.4.4

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.