CVE-2021-3514

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-28 · updated 2026-06-17
Weakness: CWE-476

Description

When using a sync_repl client in 389-ds-base, an authenticated attacker can cause a NULL pointer dereference using a specially crafted query, causing a crash.

Affected products

Red Hat 389 Directory Server: all versions

References

https://github.com/389ds/389-ds-base/issues/4711
https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
https://github.com/389ds/389-ds-base/issues/4711
https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html

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