CVE-2021-23495

Medium

Published: 25 February 2022

Published

25 February 2022

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS Score 0.0026 49.2th percentile

Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23495 is a medium-severity Open Redirect (CWE-601) vulnerability in Karma Project Karma. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 49.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The package karma before 6.3.16 are vulnerable to Open Redirect due to missing validation of the return_url query parameter.

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

karma project

karma

≤ 6.3.16

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.