Vulnerability 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.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.13.0, < 4.13.14 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2021728Issue TrackingThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14725Issue TrackingVendor Advisory
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2020-25721.htmlVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2021728Issue TrackingThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14725Issue TrackingVendor Advisory
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2020-25721.htmlVendor Advisory
FAQ
What is CVE-2020-25721?
CVE-2020-25721 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2020-25721?
CVE-2020-25721 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25721?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba.