CVE-2020-36227

CWE-83512 documents9 sources
Severity
7.5HIGH
EPSS
60.3%
top 1.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Apple MacosOpenldap OpenldapDebian Debian Linux
Timeline
PublishedJan 26
Latest updateAug 17

Description

A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, 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 Packages3 packages

▶NVDopenldap/openldap< 2.4.57
▶Debianopenldap< 2.4.57+dfsg-1+3
▶NVDapple/macos11.1 — 11.4

Also affects: Debian Linux 10.0, 9.0

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-6w5v-vmwv-xcwj: A flaw was discovered in OpenLDAP before 2↗2022-05-24
▶
OSV
CVE-2020-36227: A flaw was discovered in OpenLDAP before 2↗2021-01-26
▶
CVEList
CVE-2020-36227: A flaw was discovered in OpenLDAP before 2↗2021-01-25
▶

📋Vendor Advisories

8
Ubuntu
OpenLDAP vulnerabilities↗2025-08-17
▶
Apple
CVE-2020-36227: Security Update 2021-003 Catalina↗2021-05-24
▶
Apple
CVE-2020-36227: macOS Big Sur 11.4↗2021-05-24
▶
Apple
CVE-2020-36227: Security Update 2021-004 Mojave↗2021-05-24
▶
Ubuntu
OpenLDAP vulnerabilities↗2021-02-08
▶