CVE-2022-37451

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 88.4% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-08-06 17:02Z4 YR AGO

Last updated

2024-08-03 10:29Z2 YR AGO

Reserved

2022-08-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-763Release of Invalid Pointer or ReferenceBase

Data version

5.1

Document digest

83eed47d3884ce946dd0c96be1aa99df4880d70107cd373ecd6a7cb78d5d7f56

• github.comhttps://github.com/Exim/exim/wiki/EximSecurityx_refsource_MISC
• www.exim.orghttps://www.exim.org/static/doc/security/x_refsource_MISC
• github.comhttps://github.com/ivd38/exim_invalid_freex_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2022/08/06/1x_refsource_MISC
• lists.exim.orghttps://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.htmlx_refsource_MISC
• cwe.mitre.orghttps://cwe.mitre.org/data/definitions/762.htmlx_refsource_MISC
• github.comhttps://github.com/Exim/exim/compare/exim-4.95...exim-4.96x_refsource_MISC
• github.comhttps://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2022-1ca1d22165https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2022-f9a8388e62https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/vendor-advisoryx_refsource_FEDORA