CVE-2020-10760

Name: CVE-2020-10760
Creator: NVD / NIST
Published: 2020-07-06T19:15:12.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.66%

Last modified Jun 17, 2026

CVE-2020-10760 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.. EPSS estimates a 2.66% chance of exploitation in the next 30 days.

Description

A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.66%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Samba	Samba	>= 4.5.0, < 4.10.17
Samba	Samba	>= 4.11.0, < 4.11.11
Samba	Samba	>= 4.12.0, < 4.12.4
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.10
Canonical	Ubuntu Linux	20.04
Opensuse	Leap	15.1
Opensuse	Leap	15.2
Fedoraproject	Fedora	31

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=1849509%3B
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://security.gentoo.org/glsa/202007-15
https://usn.ubuntu.com/4409-1/Third Party Advisory
https://www.samba.org/samba/security/CVE-2020-10760.htmlVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=1849509%3B
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://security.gentoo.org/glsa/202007-15
https://usn.ubuntu.com/4409-1/Third Party Advisory
https://www.samba.org/samba/security/CVE-2020-10760.htmlVendor Advisory

Timeline

Published: Jul 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10760?

A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.

How severe is CVE-2020-10760?

CVE-2020-10760 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.66% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10760?

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-2020-10760?

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

Scan your code now

Source: NVD / NIST