CVE-2021-1405: high-severity vulnerability in Cisco ClamAV
Clam AntiVirus (ClamAV) PDF Parser Denial of Service Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 3.0%
A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Cisco · ClamAVRelated CVEs — Cisco ClamAV
In the same product, most dangerous first.
CVE-2024-20328MEDIUMClamAV VirusEvent File Processing Command Injection VulnerabilityEPSS 84.8%CVE-2020-3327HIGHClamAV ARJ Archive Parsing Denial of Service VulnerabilityEPSS 5.1%CVE-2020-3341HIGHClamAV PDF Parsing Denial of Service VulnerabilityEPSS 3.4%CVE-2020-3481HIGHClam AntiVirus (ClamAV) Software Null Pointer Dereference VulnerabilityEPSS 3.2%CVE-2022-20698HIGHClam AntiVirus (ClamAV) Denial of Service VulnerabilityEPSS 3.1%CVE-2020-3123HIGHCVE-2020-3123EPSS 2.6%