CVE-2020-13164

Name: CVE-2020-13164
Creator: NVD / NIST
Published: 2020-05-19T22:15:12.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.20%

Last modified Jun 17, 2026

CVE-2020-13164 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.. EPSS estimates a 3.20% chance of exploitation in the next 30 days.

Description

In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.

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

CWE-674

Affected Software

Vendor	Product	Versions
Wireshark	Wireshark	>= 2.6.0, <= 2.6.16
Wireshark	Wireshark	>= 3.0.0, <= 3.0.10
Wireshark	Wireshark	>= 3.2.0, <= 3.2.3
Debian	Debian Linux	9.0
Opensuse	Leap	15.1
Opensuse	Leap	15.2
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing List, Third Party Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16476Issue Tracking, Patch, Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e6e98eab8e5e0bbc982cfdc808f2469d7cab6c5a
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UOISPQTRCZGQLKBVXEDL72AEXEHS425/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNV3EYL4JBWCR22TJO3PH7ADUVS5RWSU/
https://security.gentoo.org/glsa/202007-13Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-08.htmlVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing List, Third Party Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16476Issue Tracking, Patch, Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e6e98eab8e5e0bbc982cfdc808f2469d7cab6c5a
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UOISPQTRCZGQLKBVXEDL72AEXEHS425/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNV3EYL4JBWCR22TJO3PH7ADUVS5RWSU/
https://security.gentoo.org/glsa/202007-13Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-08.htmlVendor Advisory

Timeline

Published: May 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13164?

How severe is CVE-2020-13164?

CVE-2020-13164 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-2020-13164?

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-2020-13164?

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

Scan your code now

Source: NVD / NIST