HOMEVULNERABILITIESCVE-2020-25692
HIGH

CVE-2020-25692

CWE-476Published: December 8, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-25692 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

netapp3 product(s)
cloud backupsolidfire baseboard management controller firmwaresolidfire baseboard management controller
openldap1 product(s)
openldap
Red Hat1 product(s)
enterprise linux
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

https://bugzilla.redhat.com/show_bug.cgi?id=1894567Issue Tracking · Patch · Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1894567Issue Tracking · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2020-25692
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-476
CISA KEVNo
Affected3 vendor(s)
PublishedDec 8, 2020

Related CVEs (CWE-476)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-25692 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.