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. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2020-12-08

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• netapp:cloud_backup
• netapp:solidfire_baseboard_management_controller_firmware
• openldap:openldap
• redhat:enterprise_linux

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1894567
• https://security.netapp.com/advisory/ntap-20210108-0006/
• https://bugzilla.redhat.com/show_bug.cgi?id=1894567
• https://security.netapp.com/advisory/ntap-20210108-0006/
• https://cert-portal.siemens.com/productcert/html/ssa-398330.html

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