High severity · published Dec 8, 2020
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
7.5
CVSS
3.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
openldap ·
openldap 2.4.55 · source: vendor, NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
EL
Enterprise Linux · Redhat
5.0; 6.0; 7.0 · source: NVD
SB
Solidfire Baseboard Management Controller Firmware · Netapp
All versions, or not specified · source: NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25692
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25692
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1894567
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210108-0006/
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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