Vulnerability in Lockss Classic Daemon

CVE-2023-42183

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.

EPSS: 0.006 (43.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-42183?
CVE-2023-42183 is a medium-severity vulnerability in Lockss Classic Daemon, classified under Improper Encoding or Escaping of Output. CVSS score: 5.3/10. Published 2023-12-15.
How severe is CVE-2023-42183?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-42183 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.