HIGH

CVE-2021-27212

CVSS v3

7.5

HIGH

EPSS Score

22.2%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

Technical details

Published
2/14/2021

Frequently asked questions

What is CVE-2021-27212?

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

Is CVE-2021-27212 actively exploited?

Active exploitation of CVE-2021-27212 has not been confirmed. The EPSS score is 22.2%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-27212?

CVE-2021-27212 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-27212 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.