Cyber Resilience

CVE-2025-20234

Medium

Published: 18 June 2025

Published
18 June 2025
Modified
11 August 2025
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0085 75.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-20234 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Cisco Secure Endpoint. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 24.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory overread during UDF file scanning.…

more

An attacker could exploit this vulnerability by submitting a crafted file containing UDF content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software. For a description of this vulnerability, see the .

CWE(s)
CWE-125

Related Threats

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

Affected Assets

clamav
clamav
1.2.0 — 1.4.3
cisco
secure endpoint
≤ 1.26.1 · ≤ 1.26.1 · ≤ 7.5.21
cisco
secure endpoint private cloud
≤ 4.2.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References