CVE-2020-25717
HIGHCVSS 8.1/10EPSS 1.61%
Last modified
CVE-2020-25717 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.. EPSS estimates a 1.61% chance of exploitation in the next 30 days.
Description
A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 3.0.0, < 4.13.14 |
| Samba | Samba | >= 4.14.0, < 4.14.10 |
| Samba | Samba | >= 4.15.0, < 4.15.2 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Redhat | Codeready Linux Builder | All versions |
| Redhat | Gluster Storage | 3.0 |
| Redhat | Gluster Storage | 3.5 |
| Redhat | Openstack | 13 |
| Redhat | Openstack | 16.1 |
| Redhat | Openstack | 16.2 |
| Redhat | Virtualization | 4.0 |
| Redhat | Virtualization Host | 4.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 8.2 |
| Redhat | Enterprise Linux Eus | 8.4 |
| Redhat | Enterprise Linux For Ibm Z Systems | 7.0 |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.2 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.4 |
| Redhat | Enterprise Linux For Power Big Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | 8.0 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.2 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.4 |
| Redhat | Enterprise Linux For Scientific Computing | 7.0 |
| Redhat | Enterprise Linux Resilient Storage | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Aus | 8.4 |
| Redhat | Enterprise Linux Server Tus | 8.4 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.2 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.4 |
| Redhat | Enterprise Linux Tus | 8.2 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Canonical | Ubuntu Linux | 21.04 |
| Canonical | Ubuntu Linux | 21.10 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2019672Issue Tracking, Patch, Third Party Advisory
- https://www.samba.org/samba/security/CVE-2020-25717.htmlMitigation, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2019672Issue Tracking, Patch, Third Party Advisory
- https://www.samba.org/samba/security/CVE-2020-25717.htmlMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-25717?
A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.
How severe is CVE-2020-25717?
CVE-2020-25717 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.61% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25717?
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-2020-25717?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST