CVE-2020-25719
A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents
02 Description
A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.68% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 76.5% of scored records. A rank, not a probability.
- NVD base score
- 7.2 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-02-18 00:00Z4 YR AGO
- Last updated
- 2024-08-04 15:40Z2 YR AGO
- Reserved
- 2020-09-16
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 84987ac9d37457abfc9e2a3b2ac6122d864fba7c2e799aa732f28a3a328e6a54
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2019732
- www.samba.orghttps://www.samba.org/samba/security/CVE-2020-25719.html
- security.gentoo.orgGLSA-202309-06https://security.gentoo.org/glsa/202309-06
07 Fixed in
AlmaLinux 8
- bind-dyndb-ldap Fixed in 11.6-2.module_el8.5.0+2603+92118e57
- custodia Fixed
A version is affected if any line below covers it.
- Affected before 0.6.0-3.module_el8.5.0+2603+92118e57
- Affected before 0.6.0-3.module_el8.6.0+2881+2f24dc92
- ipa-client Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-client-common Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-client-epn Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-client-samba Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-common Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-healthcheck Fixed in 0.7-6.module_el8.5.0+2603+92118e57
- ipa-healthcheck-core Fixed in 0.7-6.module_el8.5.0+2603+92118e57
- ipa-python-compat Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-selinux Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server-common Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server-dns Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server-trust-ad Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- opendnssec Fixed
A version is affected if any line below covers it.
- Affected before 2.1.7-1.module_el8.5.0+2603+92118e57
- Affected before 2.1.7-1.module_el8.6.0+2881+2f24dc92
- python3-custodia Fixed
A version is affected if any line below covers it.
- Affected before 0.6.0-3.module_el8.5.0+2603+92118e57
- Affected before 0.6.0-3.module_el8.6.0+2881+2f24dc92
- python3-ipaclient Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-ipalib Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-ipaserver Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-ipatests Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-jwcrypto Fixed
A version is affected if any line below covers it.
- Affected before 0.5.0-1.module_el8.5.0+2603+92118e57
- Affected before 0.5.0-1.module_el8.6.0+2737+7e73ea90
- Affected before 0.5.0-1.module_el8.6.0+2881+2f24dc92
- python3-kdcproxy Fixed
A version is affected if any line below covers it.
- Affected before 0.4-5.module_el8.5.0+2603+92118e57
- Affected before 0.4-5.module_el8.6.0+2881+2f24dc92
- python3-pyusb Fixed
A version is affected if any line below covers it.
- Affected before 1.0.0-9.module_el8.5.0+2603+92118e57
- Affected before 1.0.0-9.module_el8.6.0+2737+7e73ea90
- Affected before 1.0.0-9.module_el8.6.0+2881+2f24dc92
- python3-qrcode Fixed
A version is affected if any line below covers it.
- Affected before 5.1-12.module_el8.5.0+2603+92118e57
- Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
- Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
- python3-qrcode-core Fixed
A version is affected if any line below covers it.
- Affected before 5.1-12.module_el8.5.0+2603+92118e57
- Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
- Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
- python3-yubico Fixed
A version is affected if any line below covers it.
- Affected before 1.3.2-9.module_el8.5.0+2603+92118e57
- Affected before 1.3.2-9.module_el8.6.0+2737+7e73ea90
- Affected before 1.3.2-9.module_el8.6.0+2881+2f24dc92
- slapi-nis Fixed
A version is affected if any line below covers it.
- Affected before 0.56.6-4.module_el8.5.0+2603+92118e57
- Affected before 0.56.6-4.module_el8.6.0+2881+2f24dc92
- softhsm Fixed
A version is affected if any line below covers it.
- Affected before 2.6.0-5.module_el8.5.0+2603+92118e57
- Affected before 2.6.0-5.module_el8.6.0+2881+2f24dc92
- softhsm-devel Fixed
A version is affected if any line below covers it.
- Affected before 2.6.0-5.module_el8.5.0+2603+92118e57
- Affected before 2.6.0-5.module_el8.6.0+2881+2f24dc92
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- samba Fixed in 4.15.2-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- bind-dyndb-ldap Fixed in 11.6-2.module_el8.5.0+2603+92118e57
- custodia Fixed
A version is affected if any line below covers it.
- Affected before 0.6.0-3.module_el8.5.0+2603+92118e57
- Affected before 0.6.0-3.module_el8.6.0+2881+2f24dc92
- ipa-client Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-client-common Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-client-epn Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-client-samba Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-common Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-healthcheck Fixed in 0.7-6.module_el8.5.0+2603+92118e57
- ipa-healthcheck-core Fixed in 0.7-6.module_el8.5.0+2603+92118e57
- ipa-python-compat Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-selinux Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server-common Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server-dns Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- ipa-server-trust-ad Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- opendnssec Fixed
A version is affected if any line below covers it.
- Affected before 2.1.7-1.module_el8.5.0+2603+92118e57
- Affected before 2.1.7-1.module_el8.6.0+2881+2f24dc92
- python3-custodia Fixed
A version is affected if any line below covers it.
- Affected before 0.6.0-3.module_el8.5.0+2603+92118e57
- Affected before 0.6.0-3.module_el8.6.0+2881+2f24dc92
- python3-ipaclient Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-ipalib Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-ipaserver Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-ipatests Fixed in 4.9.6-10.module_el8.5.0+2603+92118e57
- python3-jwcrypto Fixed
A version is affected if any line below covers it.
- Affected before 0.5.0-1.module_el8.5.0+2603+92118e57
- Affected before 0.5.0-1.module_el8.6.0+2737+7e73ea90
- Affected before 0.5.0-1.module_el8.6.0+2881+2f24dc92
- python3-kdcproxy Fixed
A version is affected if any line below covers it.
- Affected before 0.4-5.module_el8.5.0+2603+92118e57
- Affected before 0.4-5.module_el8.6.0+2881+2f24dc92
- python3-pyusb Fixed
A version is affected if any line below covers it.
- Affected before 1.0.0-9.module_el8.5.0+2603+92118e57
- Affected before 1.0.0-9.module_el8.6.0+2737+7e73ea90
- Affected before 1.0.0-9.module_el8.6.0+2881+2f24dc92
- python3-qrcode Fixed
A version is affected if any line below covers it.
- Affected before 5.1-12.module_el8.5.0+2603+92118e57
- Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
- Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
- python3-qrcode-core Fixed
A version is affected if any line below covers it.
- Affected before 5.1-12.module_el8.5.0+2603+92118e57
- Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
- Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
- python3-yubico Fixed
A version is affected if any line below covers it.
- Affected before 1.3.2-9.module_el8.5.0+2603+92118e57
- Affected before 1.3.2-9.module_el8.6.0+2737+7e73ea90
- Affected before 1.3.2-9.module_el8.6.0+2881+2f24dc92
- slapi-nis Fixed
A version is affected if any line below covers it.
- Affected before 0.56.6-4.module_el8.5.0+2603+92118e57
- Affected before 0.56.6-4.module_el8.6.0+2881+2f24dc92
- softhsm Fixed
A version is affected if any line below covers it.
- Affected before 2.6.0-5.module_el8.5.0+2603+92118e57
- Affected before 2.6.0-5.module_el8.6.0+2881+2f24dc92
- softhsm-devel Fixed
A version is affected if any line below covers it.
- Affected before 2.6.0-5.module_el8.5.0+2603+92118e57
- Affected before 2.6.0-5.module_el8.6.0+2881+2f24dc92
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- samba Fixed in 2:4.13.14+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- samba Fixed in 2:4.13.14+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- samba Fixed in 2:4.13.14+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- samba Fixed in 2:4.13.14+dfsg-0ubuntu0.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- samba Fixed in 2:4.13.14+dfsg-0ubuntu1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- samba No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- samba No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- samba No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.