Cyber Resilience

CVE-2021-24374

MediumPublic PoC

Published: 21 June 2021

Published
21 June 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0079 74.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-24374 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Automattic Jetpack. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 25.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Jetpack Carousel module of the JetPack WordPress plugin before 9.8 allows users to create a "carousel" type image gallery and allows users to comment on the images. A security vulnerability was found within the Jetpack Carousel module by nguyenhg_vcs…

more

that allowed the comments of non-published page/posts to be leaked.

CWE(s)
CWE-639

Related Threats

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

Affected Assets

automattic
jetpack
≤ 9.8

Mitigating Controls

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.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

References