Improper input validation in Cisco Clam Antivirus

CVE-2020-3341

A vulnerability in the PDF archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.101 - 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a stack buffer overflow read. An attacker could exploit this vulnerability by sending a crafted PDF 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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.034 (87.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-3341?
CVE-2020-3341 is a high-severity vulnerability in Cisco Clam Antivirus, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-05-13.
How severe is CVE-2020-3341?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-3341 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.