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Vulnerability · Published May 28, 2021 · Assigned by redhat

CVE-2020-25710

High 7.5

In plain English

A high-severity security flaw in openldap. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.7%top 13.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20openldap2.4.56-r0ALPINE-CVE-2020-25710
Alpine:v3.21openldap2.4.56-r0ALPINE-CVE-2020-25710
Alpine:v3.22openldap2.4.56-r0ALPINE-CVE-2020-25710
Alpine:v3.23openldap2.4.56-r0ALPINE-CVE-2020-25710
Alpine:v3.24openldap2.4.56-r0ALPINE-CVE-2020-25710
Debian:12openldap2.4.56+dfsg-1DEBIAN-CVE-2020-25710
Debian:13openldap2.4.56+dfsg-1DEBIAN-CVE-2020-25710
Debian:14openldap2.4.56+dfsg-1DEBIAN-CVE-2020-25710

Affected products (as reported)

VendorProductVersions
n/a openldap openldap 2.4.56

Weakness: CWE-617

References