What’s Vulnerable › Vulnerabilities

CVE-2020-3123

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-05 · updated 2026-06-17
• Weakness: CWE-125

Description

A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 19.10
• Cisco ClamAV: 0.102.0, 0.102.1

References

• https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
• https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062
• https://security.gentoo.org/glsa/202003-46
• https://usn.ubuntu.com/4280-1/
• https://usn.ubuntu.com/4280-2/
• https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
• https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062
• https://security.gentoo.org/glsa/202003-46
• https://usn.ubuntu.com/4280-1/
• https://usn.ubuntu.com/4280-2/

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