CVE-2020-25692

Name: CVE-2020-25692
Creator: NVD / NIST
Published: 2020-12-08T01:15:12.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.18%

Last modified Jun 17, 2026

CVE-2020-25692 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.18%

80.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Openldap	Openldap	< 2.4.55
Redhat	Enterprise Linux	5.0
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Netapp	Cloud Backup	All versions
Netapp	Solidfire Baseboard Management Controller Firmware	All versions

References

https://bugzilla.redhat.com/show_bug.cgi?id=1894567Issue Tracking, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210108-0006/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1894567Issue Tracking, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210108-0006/Third Party Advisory

Timeline

Published: Dec 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25692?

How severe is CVE-2020-25692?

CVE-2020-25692 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.18% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25692?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25692?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST