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CVE-2025-11561— Sssd: sssd default kerberos configuration allows privilege escalation on ad-joined linux systems

CVSS 8.8 · High EPSS 0.06% · P19
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I. Basic Information for CVE-2025-11561

Vulnerability Information
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Vulnerability Title
Sssd: sssd default kerberos configuration allows privilege escalation on ad-joined linux systems
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat System Security Services Daemon 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat System Security Services Daemon是美国红帽（Red Hat）公司的一个Linux中的守护进程组件。 Red Hat System Security Services Daemon存在安全漏洞，该漏洞源于Kerberos本地身份验证插件配置不当，可能导致未经授权的访问或权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 10 0:2.10.2-3.el10_0.3 ~ * cpe:/o:redhat:enterprise_linux:10.0
Red HatRed Hat Enterprise Linux 10 0:2.11.1-2.el10_1.1 ~ * cpe:/o:redhat:enterprise_linux:10.1
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.16.5-10.el7_9.17 ~ * cpe:/o:redhat:rhel_els:7
Red HatRed Hat Enterprise Linux 8 0:2.9.4-5.el8_10.3 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 8 0:2.9.4-5.el8_10.3 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support 0:2.2.3-20.el8_2.3 ~ * cpe:/o:redhat:rhel_aus:8.2::baseos
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.4.0-9.el8_4.4 ~ * cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.4.0-9.el8_4.4 ~ * cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.6.2-4.el8_6.4 ~ * cpe:/o:redhat:rhel_aus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.6.2-4.el8_6.4 ~ * cpe:/o:redhat:rhel_aus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.6.2-4.el8_6.4 ~ * cpe:/o:redhat:rhel_aus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.8.2-4.el8_8.3 ~ * cpe:/o:redhat:rhel_e4s:8.8::baseos
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.8.2-4.el8_8.3 ~ * cpe:/o:redhat:rhel_e4s:8.8::baseos
Red HatRed Hat Enterprise Linux 9 0:2.9.7-4.el9_7.1 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red HatRed Hat Enterprise Linux 9 0:2.9.7-4.el9_7.1 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.6.2-4.el9_0.4 ~ * cpe:/o:redhat:rhel_e4s:9.0::baseos
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.8.2-5.el9_2.6 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support 0:2.9.4-6.el9_4.4 ~ * cpe:/a:redhat:rhel_eus:9.4::crb
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support 0:2.9.6-4.el9_6.3 ~ * cpe:/o:redhat:rhel_eus:9.6::baseos
Red HatRed Hat OpenShift Container Platform 4.12 412.86.202601061735-0 ~ * cpe:/a:redhat:openshift:4.12::el8
Red HatRed Hat OpenShift Container Platform 4.13 413.92.202601130113-0 ~ * cpe:/a:redhat:openshift:4.13::el9
Red HatRed Hat OpenShift Container Platform 4.14 414.92.202511122212-0 ~ * cpe:/a:redhat:openshift:4.14::el9
Red HatRed Hat OpenShift Container Platform 4.15 415.92.202512100122-0 ~ * cpe:/a:redhat:openshift:4.15::el9
Red HatRed Hat OpenShift Container Platform 4.16 416.94.202512030118-0 ~ * cpe:/a:redhat:openshift:4.16::el9
Red HatRed Hat OpenShift Container Platform 4.17 417.94.202511260612-0 ~ * cpe:/a:redhat:openshift:4.17::el9
Red HatRed Hat OpenShift Container Platform 4.18 418.94.202511170715-0 ~ * cpe:/a:redhat:openshift:4.18::el9
Red HatRed Hat OpenShift Container Platform 4.19 4.19.9.6.202511252219-0 ~ * cpe:/a:redhat:openshift:4.19::el9
Red HatRed Hat OpenShift Container Platform 4.20 4.20.9.6.202511252309-0 ~ * cpe:/a:redhat:openshift:4.20::el9
Red HatRed Hat Ceph Storage 7 sha256:6b79ed10423d954d21dd24c9cb1cf507f6e02c2942ace7fa30cf7af2ffaeb631 ~ * cpe:/a:redhat:ceph_storage:7::el9
Red HatRed Hat Ceph Storage 8 sha256:04a48d31f7336e0d5958eed1ddb1a117148f791baccef4e6e08943181e6794c8 ~ * cpe:/a:redhat:ceph_storage:8::el9
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6

II. Public POCs for CVE-2025-11561

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III. Intelligence Information for CVE-2025-11561

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IV. Related Vulnerabilities

Same weakness: CWE-269

V. Comments for CVE-2025-11561

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