7.5

CVE-2025-20128

A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine 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 an integer underflow in a bounds check that allows for a heap buffer overflow read. An attacker could exploit this vulnerability by submitting a crafted file containing OLE2 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 .
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
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Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Clamav ≫ Clamav Version >= 1.0.0 < 1.0.8
Clamav ≫ Clamav Version >= 1.1.0 < 1.4.2
Cisco ≫ Secure Endpoint SwPlatformmacos Version < 1.24.4
Cisco ≫ Secure Endpoint SwPlatformlinux Version < 1.25.1
Cisco ≫ Secure Endpoint SwPlatformwindows Version < 7.5.20
Cisco ≫ Secure Endpoint SwPlatformwindows Version >= 8.0.1.21160 < 8.4.3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.92% 0.902
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
psirt@cisco.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().