What’s Vulnerable › Vulnerabilities

CVE-2023-20212

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-18 · updated 2026-06-17
• Weakness: CWE-825

Description

A vulnerability in the AutoIt module 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 logic error in the memory management of an affected device. An attacker could exploit this vulnerability by submitting a crafted AutoIt file to be scanned by ClamAV on the affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to restart unexpectedly, resulting in a DoS condition.

Affected products

• Cisco Secure Endpoint: before 8.1.7.21585 — fixed in 8.1.7.21585
• Cisco Secure Endpoint Private Cloud: before 3.8.0 — fixed in 3.8.0

How to fix

Upgrade to a fixed version: Cisco Secure Endpoint 8.1.7.21585; Cisco Secure Endpoint Private Cloud 3.8.0. Check the vendor advisory for mitigations.

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-FTkhqMWZ
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-FTkhqMWZ

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