Privilege Context Switching Error Affecting sssd package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published14 Oct 2025
- disclosed9 Oct 2025
- creditgatariee
Introduced: 9 Oct 2025
CVE-2025-11561 (opens in a new tab)How to fix?
There is no fixed version for sssd.
Overview
Affected versions of this package are vulnerable to Privilege Context Switching Error via improper mapping of domain user accounts to privileged local accounts when the Kerberos local authentication plugin sssd_krb5_localauth_plugin is not enabled. An attacker can gain unauthorized access or elevated privileges by modifying certain Active Directory attributes, such as userPrincipalName or samAccountName, to impersonate privileged users. This is only exploitable if the Kerberos local authentication plugin is not enabled in the configuration.
Workaround
This vulnerability can be mitigated by explicitly enabling the SSSD Kerberos local authentication plugin (sssd_krb5_localauth_plugin) and disabling an2ln plugin with disable = an2ln .