CVE-2021-1252
Clam AntiVirus (ClamAV) Excel XLM Parser Denial of Service Vulnerability
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.5EPSS 2.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
08 Apr 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, 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 · ClamAVWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →