Cyber Resilience

CVE-2021-28376

LowPublic PoC

Published: 12 January 2022

Published
12 January 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 2.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0014 34.5th percentile
Risk Priority 5 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28376 is a low-severity Path Traversal (CWE-22) vulnerability in Chronoengine Chronoforums. Its CVSS base score is 2.7 (Low).

Operationally, ranked at the 34.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

ChronoForms 7.0.7 allows fname Directory Traversal to read arbitrary files.

CWE(s)
CWE-22

Related Threats

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

Affected Assets

chronoengine
chronoforums
7.0.7

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.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References