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.
Published Dec 8, 2020 · updated Oct 14, 2026 · openldap openldap
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.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 8, 2020 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Affected
- cpe netapp/cloud backupversion unspecified
- cpe netapp/solidfire baseboard management controller firmwareversion unspecified
- cpe openldap/openldapversion unspecified
- cpe redhat/enterprise linux5.0
- cpe redhat/enterprise linux6.0
- cpe redhat/enterprise linux7.0
Sources
- CVE.orgVulnerability recordCVE-2020-25692
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-25692
30-day exploitation probability 3.1%
first.org - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov