What is the CVSS score of CVE-2023-42183?

CVE-2023-42183 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2023-42183?

Yes, a public proof-of-concept exploit is available for CVE-2023-42183. Prioritise patching immediately. EPSS: 0.6%.

Classic Lockss Daemon CVE-2023-42183

MEDIUM

Improper Encoding or Escaping of Output (CWE-116)

2023-12-15 cve@mitre.org

Authentication Bypass Classic Lockss Daemon

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Dec 15, 2023 - 01:15 nvd

MEDIUM 5.3

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-116. 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. Affected products include: Lockss Classic Lockss Daemon. Version information: before 1.77.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.