Is CVE-2011-1024 in the CISA KEV catalog?

No. CVE-2011-1024 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1024?

CVE-2011-1024 has a CVSS v2 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2011-1024?

CVE-2011-1024 has an EPSS score of 2.96% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-1024?

Upgrade openldap on debian 11 to 2.4.25-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-1024

MEDIUMEPSS 86th pctl

4.6

CVSS v2

NVD

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.

CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available

openldapDebian

Fixed in:2.4.25-1CVE-2011-1024

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.96%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-1456	Medium	4.3	100%	-	-
CVE-2012-1459	Medium	4.3	100%	-	Fix
CVE-2012-1446	Medium	4.3	100%	-	-
CVE-2012-1443	Medium	4.3	100%	-	-
CVE-2012-1442	Medium	4.3	99%	-	-
CVE-2012-1457	Medium	4.3	98%	-	Fix

Embed a live status badge for CVE-2011-1024

Markdown

[![CVE-2011-1024](https://tridentstack.com/cve/badge/CVE-2011-1024.svg)](https://tridentstack.com/cve/CVE-2011-1024)

HTML

<a href="https://tridentstack.com/cve/CVE-2011-1024"><img src="https://tridentstack.com/cve/badge/CVE-2011-1024.svg" alt="CVE-2011-1024"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.