Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2025-11561

Improper Privilege Management

Published: Oct 09, 2025 | Modified: Jan 22, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
8.8 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2025-11561
CWEhttps://cwe.mitre.org/data/definitions/269.html

A flaw was found in the integration of Active Directory and the System Security Services Daemon (SSSD) on Linux systems. In default configurations, the Kerberos local authentication plugin (sssd_krb5_localauth_plugin) is enabled, but a fallback to the an2ln plugin is possible. This fallback allows an attacker with permission to modify certain AD attributes (such as userPrincipalName or samAccountName) to impersonate privileged users, potentially resulting in unauthorized access or privilege escalation on domain-joined Linux hosts.

Weakness

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected Software

NameVendorStart VersionEnd Version
Red Hat Enterprise Linux 10RedHatsssd-0:2.10.2-3.el10_0.3*
Red Hat Enterprise Linux 10RedHatsssd-0:2.11.1-2.el10_1.1*
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRedHatsssd-0:1.16.5-10.el7_9.17*
Red Hat Enterprise Linux 8RedHatsssd-0:2.9.4-5.el8_10.3*
Red Hat Enterprise Linux 8RedHatsssd-0:2.9.4-5.el8_10.3*
Red Hat Enterprise Linux 8.2 Advanced Update SupportRedHatsssd-0:2.2.3-20.el8_2.3*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatsssd-0:2.4.0-9.el8_4.4*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatsssd-0:2.4.0-9.el8_4.4*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatsssd-0:2.6.2-4.el8_6.4*
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRedHatsssd-0:2.6.2-4.el8_6.4*
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRedHatsssd-0:2.6.2-4.el8_6.4*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatsssd-0:2.8.2-4.el8_8.3*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatsssd-0:2.8.2-4.el8_8.3*
Red Hat Enterprise Linux 9RedHatsssd-0:2.9.7-4.el9_7.1*
Red Hat Enterprise Linux 9RedHatsssd-0:2.9.7-4.el9_7.1*
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRedHatsssd-0:2.6.2-4.el9_0.4*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatsssd-0:2.8.2-5.el9_2.6*
Red Hat Enterprise Linux 9.4 Extended Update SupportRedHatsssd-0:2.9.4-6.el9_4.4*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatsssd-0:2.9.6-4.el9_6.3*
Red Hat OpenShift Container Platform 4.12RedHatrhcos-412.86.202601061735-0*
Red Hat OpenShift Container Platform 4.13RedHatrhcos-413.92.202601130113-0*
Red Hat OpenShift Container Platform 4.14RedHatrhcos-414.92.202511122212-0*
Red Hat OpenShift Container Platform 4.15RedHatrhcos-415.92.202512100122-0*
Red Hat OpenShift Container Platform 4.16RedHatrhcos-416.94.202512030118-0*
Red Hat OpenShift Container Platform 4.17RedHatrhcos-417.94.202511260612-0*
Red Hat OpenShift Container Platform 4.18RedHatrhcos-418.94.202511170715-0*
Red Hat OpenShift Container Platform 4.19RedHatrhcos-4.19.9.6.202511252219-0*
Red Hat OpenShift Container Platform 4.20RedHatrhcos-4.20.9.6.202511252309-0*
Red Hat Ceph Storage 7RedHatrhceph/rhceph-7-rhel9:sha256:4d2f9dc5b2b33ee1c77bbfabcbbb9f4d94d343b04c4de2e4f8b3b81a1f0fd2fe*
Red Hat Ceph Storage 8RedHatrhceph/rhceph-8-rhel9:sha256:04a48d31f7336e0d5958eed1ddb1a117148f791baccef4e6e08943181e6794c8*
SssdUbuntudevel*
SssdUbuntuesm-infra/bionic*
SssdUbuntuesm-infra/focal*
SssdUbuntuesm-infra/xenial*
SssdUbuntujammy*
SssdUbuntunoble*
SssdUbuntuplucky*
SssdUbuntuquesting*

Potential Mitigations

References

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