When was CVE-2022-37451 disclosed?

CVE-2022-37451 was first published in the National Vulnerability Database on August 6, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-37451 actively exploited?

CVE-2022-37451 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-37451?

CVE-2022-37451 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-37451?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-37451, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2022-37451

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 91.4%
KEV: Not listed

References (20)

cve@mitrehttps://cwe.mitre.org/data/definitions/762.html
cve@mitrehttps://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42
cve@mitrehttps://github.com/Exim/exim/compare/exim-4.95...exim-4.96
cve@mitrehttps://github.com/Exim/exim/wiki/EximSecurity
cve@mitrehttps://github.com/ivd38/exim_invalid_free
cve@mitrehttps://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
cve@mitrehttps://www.exim.org/static/doc/security/
cve@mitrehttps://www.openwall.com/lists/oss-security/2022/08/06/1
af854a3a-2127-422b-91ae-364da2661108https://cwe.mitre.org/data/definitions/762.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42
af854a3a-2127-422b-91ae-364da2661108https://github.com/Exim/exim/compare/exim-4.95...exim-4.96
af854a3a-2127-422b-91ae-364da2661108https://github.com/Exim/exim/wiki/EximSecurity
af854a3a-2127-422b-91ae-364da2661108https://github.com/ivd38/exim_invalid_free

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CVE-2022-37451

Published

Last Modified

References (20)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-37451?

CVE-2022-37451

📅 Published

🔄 Last Modified

🔗 References (20)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-37451?

Published

Last Modified

References (20)

Frequently asked(5)