CVE-2022-37451
CVSS v3
7.5
HIGH
EPSS Score
3.3 %
exploit probability, as of 2026-10-04
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.
Technical details
- Published
- 2022-08-06
Frequently asked questions
What is CVE-2022-37451?
Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.
Is CVE-2022-37451 actively exploited?
Active exploitation of CVE-2022-37451 has not been confirmed. Its EPSS score was 3.3% on 2026-10-04, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-37451?
CVE-2022-37451 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-37451 affecting your environment?
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