What is CVE-2022-20803?

CVE-2022-20803 is a high-severity vulnerability in Cisco Clamav, classified under Double Free. CVSS score: 8.6/10. Published 2023-02-17.

How severe is CVE-2022-20803?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2022-20803 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Double Free in Cisco Clamav

CVE-2022-20803

A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to in…

Vulnerability class: Double Free

EPSS: 0.016 (82.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Clamav — versions 0.104.0

Weakness classification (CWE)

CWE-415 — Double Free

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html (vendor-advisory)
GLSA-202310-01 (vendor-advisory)

Frequently asked questions

What is CVE-2022-20803?: CVE-2022-20803 is a high-severity vulnerability in Cisco Clamav, classified under Double Free. CVSS score: 8.6/10. Published 2023-02-17.
How severe is CVE-2022-20803?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2022-20803 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.