What is CVE-2021-1405?

CVE-2021-1405 is a high-severity vulnerability in Cisco Clamav, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-04-08.

How severe is CVE-2021-1405?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Cisco Clamav

CVE-2021-1405

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 vulner…

Vulnerability class: Buffer Overflow

EPSS: 0.013 (80.2th 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

Cisco Clamav — versions unspecified

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

blog.clamav.net/2021/04/clamav-01032-security-patch-release.html (vendor-advisory, x_refsource_CISCO)
[debian-lts-announce] 20210414 [SECURITY] [DLA 2626-1] clamav security update (mailing-list, x_refsource_MLIST)
GLSA-202104-07 (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2021-1405?: CVE-2021-1405 is a high-severity vulnerability in Cisco Clamav, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-04-08.
How severe is CVE-2021-1405?: High severity. CVSS v3 base score is 7.5 out of 10.