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: 0.032 (86.5th 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
Clamav
Debian Debian_linux — versions 9.0

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Release Notes, Vendor Advisory)
psirt@cisco.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
psirt@cisco.com (vendor-advisory, Third Party 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.