Cyber Resilience

CVE-2023-42183

MediumPublic PoC

Published: 15 December 2023

Published
15 December 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0020 41.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-42183 is a medium-severity Improper Encoding or Escaping of Output (CWE-116) vulnerability in Lockss Classic Lockss Daemon. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 41.5th 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

lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access restrictions, such as when U+1FEF is converted to a backtick.

CWE(s)

Related Threats

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

Affected Assets

lockss
classic lockss daemon
≤ 1.77.3

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.

addresses: CWE-116

Validating that output matches expected content directly mitigates failures to properly encode or escape data for its destination context.

References