CVE-2020-3123

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Cisco	ClamAV	0.102.1

References

https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.htmlRelease Notes, Vendor Advisory
https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062Third Party Advisory
https://security.gentoo.org/glsa/202003-46Third Party Advisory
https://usn.ubuntu.com/4280-1/Third Party Advisory
https://usn.ubuntu.com/4280-2/Third Party Advisory
https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.htmlRelease Notes, Vendor Advisory
https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062Third Party Advisory
https://security.gentoo.org/glsa/202003-46Third Party Advisory
https://usn.ubuntu.com/4280-1/Third Party Advisory
https://usn.ubuntu.com/4280-2/Third Party Advisory

Timeline

Published: Feb 5, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-31246.5A vulnerability in the web-based interface of Cisco Hosted Collaboration Mediation Fulfillment (HCM-F) could allow an unauthenticated, remot CVE-2020-31259.8A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, r CVE-2020-31263.5vulnerability within the Multimedia Viewer feature of Cisco Webex Meetings could allow an authenticated, remote attacker to bypass security CVE-2020-31277.8Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could al CVE-2020-31287.8Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could al CVE-2020-31294.8A vulnerability in the web-based management interface of Cisco Unity Connection Software could allow an authenticated, remote attacker to pe CVE-2020-31306.5A vulnerability in the web management interface of Cisco Unity Connection could allow an authenticated remote attacker to overwrite files on CVE-2020-31316.5A vulnerability in the Cisco Webex Teams client for Windows could allow an authenticated, remote attacker to cause the client to crash, resu CVE-2020-31325.9A vulnerability in the email message scanning feature of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unau CVE-2020-31337.5A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthentica CVE-2020-31346.5A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenti CVE-2020-31358.8A vulnerability in the web-based management interface of Cisco Unified Communications Manager (UCM) could allow an unauthenticated, remote a