CVE-2020-25710

Severity
7.5HIGH
EPSS
17.5%
top 4.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 28
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

NVDopenldap/openldap< 2.4.56
Debianopenldap< 2.4.56+dfsg-1+3
CVEListV5openldapopenldap 2.4.56

Also affects: Debian Linux 9.0, Fedora 33, Enterprise Linux 5.0, 6.0, 7.0

Patches

🔴Vulnerability Details

3
GHSA
GHSA-8wg3-gqcw-9fq9: A flaw was found in OpenLDAP in versions before 22022-05-24
OSV
CVE-2020-25710: A flaw was found in OpenLDAP in versions before 22021-05-28
CVEList
CVE-2020-25710: A flaw was found in OpenLDAP in versions before 22021-05-28

📋Vendor Advisories

4
Ubuntu
OpenLDAP vulnerabilities2020-11-23
Ubuntu
OpenLDAP vulnerabilities2020-11-17
Red Hat
openldap: assertion failure in CSN normalization with invalid input2020-11-02
Debian
CVE-2020-25710: openldap - A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an atta...2020