CVE-2023-42183 json
lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access rest…
published 2023-12-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-46642
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- lockss classic_lockss_daemon 1.77.3
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/lockss/lockss-daemon/security/advisories/GHSA-mgqj-hphf-9588 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Classification
- Weakness
-
- CWE-116 Improper Encoding or Escaping of Output
References
-
github.com
/lockss/lockss-daemon/security/advisories/GHSA-mgqj-hphf-9588
exploit, vendor-advisory
Sources
- CVE List CVE-2023-42183
- NVD CVE-2023-42183
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