CVE-2020-36221
high-risk
Published 2021-01-26
An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).
Do I need to act?
!
47.6% chance of exploitation in next 30 days
EPSS score — higher than 52% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (20)
References (32)
Mailing List
http://seclists.org/fulldisclosure/2021/May/64
Mailing List
http://seclists.org/fulldisclosure/2021/May/65
Mailing List
http://seclists.org/fulldisclosure/2021/May/70
Issue Tracking
https://bugs.openldap.org/show_bug.cgi?id=9404
Issue Tracking
https://bugs.openldap.org/show_bug.cgi?id=9424
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210226-0002/
Third Party Advisory
https://support.apple.com/kb/HT212529
Third Party Advisory
https://support.apple.com/kb/HT212530
Third Party Advisory
https://support.apple.com/kb/HT212531
Third Party Advisory
https://www.debian.org/security/2021/dsa-4845
Mailing List
http://seclists.org/fulldisclosure/2021/May/64
Mailing List
http://seclists.org/fulldisclosure/2021/May/65
Mailing List
http://seclists.org/fulldisclosure/2021/May/70
Issue Tracking
https://bugs.openldap.org/show_bug.cgi?id=9404
and 12 more references
63
/ 100
high-risk
Severity
26/34 · High
Exploitability
17/34 · Moderate
Exposure
20/34 · Moderate