HOMEVULNERABILITIESCVE-2023-42344
HIGHCISA KEVIN THE WILD

CVE-2023-42344

Published: April 11, 2026· Updated: May 8, 2026

7.3
CVSS v3.1

Official Description

Alkacon OpenCms before 10.5.1 allows remote unauthenticated attackers to obtain sensitive information via a cmis-online/query XXE attack on a Chemistry servlet.

NVD Source

Technical Analysis

CVE-2023-42344 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CISA has added CVE-2023-42344 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploit & PoC Resources

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
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All References (2)

Quick Facts

CVE IDCVE-2023-42344
CVSS Score7.3 / 10
SeverityHIGH
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
PublishedApr 11, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-42344 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
  • !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
  • !Active exploitation confirmed — treat as P1
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.