CVE-2024-33661

Critical

Published: 26 April 2024

Published

26 April 2024

Modified

21 May 2025

KEV Added

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Patch

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CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Score 0.0009 25.8th percentile

Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-33661 is a critical-severity Open Redirect (CWE-601) vulnerability in Portainer Portainer. Its CVSS base score is 9.1 (Critical).

Operationally, ranked at the 25.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Portainer before 2.20.0 allows redirects when the target is not index.yaml.

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

portainer

≤ 2.20.0

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-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.