High severity8.8NVD Advisory· Published Mar 16, 2022· Updated Jun 17, 2026
CVE-2020-25721
CVE-2020-25721
Description
Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
33cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*range: >=4.13.0,<4.13.14
- (no CPE)
- osv-coords31 versionspkg:rpm/opensuse/ldb&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/samba&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/samba&distro=openSUSE%20Tumbleweedpkg:rpm/suse/apparmor&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/apparmor&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/apparmor&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/ca-certificates&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/ca-certificates&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/ldb&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/ldb&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/ldb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/p11-kit&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/p11-kit&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/p11-kit&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/samba&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP3pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/yast2-samba-client&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/yast2-samba-client&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5
< 2.2.2-3.3.1+ 30 more
- (no CPE)range: < 2.2.2-3.3.1
- (no CPE)range: < 4.13.13+git.528.140935f8d6a-3.12.1
- (no CPE)range: < 4.15.2+git.193.a4d6307f1fd-1.1
- (no CPE)range: < 2.8.2-56.6.3
- (no CPE)range: < 2.8.2-56.6.3
- (no CPE)range: < 2.8.2-56.6.3
- (no CPE)range: < 1_201403302107-15.3.3
- (no CPE)range: < 1_201403302107-15.3.3
- (no CPE)range: < 3.4.17-8.4.1
- (no CPE)range: < 3.4.17-8.4.1
- (no CPE)range: < 2.2.2-4.6.1
- (no CPE)range: < 2.2.2-3.3.1
- (no CPE)range: < 2.2.2-3.3.1
- (no CPE)range: < 3.1-21.3.2
- (no CPE)range: < 3.1-21.3.2
- (no CPE)range: < 0.23.2-8.3.2
- (no CPE)range: < 0.23.2-8.3.2
- (no CPE)range: < 0.23.2-8.3.2
- (no CPE)range: < 4.13.13+git.545.5897c2d94f3-3.12.1
- (no CPE)range: < 4.15.4+git.324.8332acf1a63-3.54.1
- (no CPE)range: < 4.13.13+git.528.140935f8d6a-3.12.1
- (no CPE)range: < 4.13.13+git.528.140935f8d6a-3.12.1
- (no CPE)range: < 4.13.13+git.528.140935f8d6a-3.12.1
- (no CPE)range: < 4.15.4+git.324.8332acf1a63-3.54.1
- (no CPE)range: < 4.15.4+git.324.8332acf1a63-3.54.1
- (no CPE)range: < 4.15.4+git.324.8332acf1a63-3.54.1
- (no CPE)range: < 1.16.1-7.28.9
- (no CPE)range: < 1.16.1-7.28.9
- (no CPE)range: < 1.16.1-7.28.9
- (no CPE)range: < 3.1.23-3.3.1
- (no CPE)range: < 3.1.23-3.3.1
Patches
Vulnerability mechanics
References
4- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- bugzilla.samba.org/show_bug.cginvdIssue TrackingVendor Advisory
- www.samba.org/samba/security/CVE-2020-25721.htmlnvdVendor Advisory
- security.gentoo.org/glsa/202309-06nvd
News mentions
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