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CVE-2011-1024

UnknownEPSS 2.96%

Last modified

CVE-2011-1024 is a vulnerability of currently unknown severity. chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.. EPSS estimates a 2.96% chance of exploitation in the next 30 days.

Description

chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.

Metrics

EPSS Probability
2.96%

85.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpenldapOpenldap2.4.6
OpenldapOpenldap2.4.7
OpenldapOpenldap2.4.8
OpenldapOpenldap2.4.9
OpenldapOpenldap2.4.10
OpenldapOpenldap2.4.11
OpenldapOpenldap2.4.12
OpenldapOpenldap2.4.13
OpenldapOpenldap2.4.14
OpenldapOpenldap2.4.15
OpenldapOpenldap2.4.16
OpenldapOpenldap2.4.17
OpenldapOpenldap2.4.18
OpenldapOpenldap2.4.19
OpenldapOpenldap2.4.20
OpenldapOpenldap2.4.21
OpenldapOpenldap2.4.22
OpenldapOpenldap2.4.23

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1024?
chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.
How severe is CVE-2011-1024?
Severity scoring for CVE-2011-1024 is pending analysis. The EPSS model estimates a 2.96% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1024?
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-2011-1024?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST