CVE-2020-36229

CWE-84313 documents9 sources
Severity
7.5HIGH
EPSS
2.2%
top 15.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Apple MAC OS XApple MacosOpenldap Openldap+1 more
Timeline
PublishedJan 26
Latest updateAug 24

Description

A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.

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< 2.4.57
▶Debianopenldap< 2.4.57+dfsg-1+3
▶Ubuntuopenldap< 2.4.31-1+nmu2ubuntu8.5+esm8
▶NVDapple/macos11.1 — 11.4
▶NVDapple/mac_os_x10.14.0 — 10.14.6+1

Also affects: Debian Linux 10.0, 9.0

Patches

Patch: git.openldap.org ↗Patch: git.openldap.org ↗

🔴Vulnerability Details

4
OSV
openldap vulnerabilities↗2025-08-24
▶
GHSA
GHSA-2vm8-9q6f-6vxg: A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2↗2022-05-24
▶
OSV
CVE-2020-36229: A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2↗2021-01-26
▶
CVEList
CVE-2020-36229: A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2↗2021-01-25
▶

📋Vendor Advisories

8
Ubuntu
OpenLDAP vulnerabilities↗2025-08-24
▶
Apple
CVE-2020-36229: Security Update 2021-003 Catalina↗2021-05-24
▶
Apple
CVE-2020-36229: macOS Big Sur 11.4↗2021-05-24
▶
Apple
CVE-2020-36229: Security Update 2021-004 Mojave↗2021-05-24
▶
Ubuntu
OpenLDAP vulnerabilities↗2021-02-08
▶