CVE-2020-3481

Name: CVE-2020-3481
Creator: NVD / NIST
Published: 2020-07-20T18:15:12.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.20%

Last modified Jun 17, 2026

CVE-2020-3481 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. EPSS estimates a 3.20% chance of exploitation in the next 30 days.

Description

A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. An attacker could exploit this vulnerability by sending a crafted EGG 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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.20%

86.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Clamav	Clamav	>= 0.102.0, <= 0.102.3
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	20.04
Debian	Debian Linux	9.0
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32

References

https://blog.clamav.net/2020/07/clamav-01024-security-patch-released.htmlVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00010.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJ67VH37NCG25PICGWFWZHSVG7PBT7MC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QM7EXJHDEZJLWM2NKH6TCDXOBP5NNYIN/
https://security.gentoo.org/glsa/202007-23Third Party Advisory
https://usn.ubuntu.com/4435-1/Third Party Advisory
https://usn.ubuntu.com/4435-2/Third Party Advisory
https://blog.clamav.net/2020/07/clamav-01024-security-patch-released.htmlVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00010.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJ67VH37NCG25PICGWFWZHSVG7PBT7MC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QM7EXJHDEZJLWM2NKH6TCDXOBP5NNYIN/
https://security.gentoo.org/glsa/202007-23Third Party Advisory
https://usn.ubuntu.com/4435-1/Third Party Advisory
https://usn.ubuntu.com/4435-2/Third Party Advisory

Timeline

Published: Jul 20, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3481?

How severe is CVE-2020-3481?

CVE-2020-3481 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.20% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3481?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3481?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST