What is CVE-2023-42114?

CVE-2023-42114 is a low-severity vulnerability in Exim, classified under Out-of-bounds Read. CVSS score: 3.7/10. Published 2024-05-03.

How severe is CVE-2023-42114?

Low severity. CVSS v3 base score is 3.7 out of 10.

Is CVE-2023-42114 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Exim

CVE-2023-42114

Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vul…

Vulnerability class: Buffer Overflow

EPSS: 0.139 (94.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Exim — versions exim 4.95

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

krlabs/eximsmtp-vulnerabilities

References

ZDI-23-1468 (x_research-advisory)

Frequently asked questions

What is CVE-2023-42114?: CVE-2023-42114 is a low-severity vulnerability in Exim, classified under Out-of-bounds Read. CVSS score: 3.7/10. Published 2024-05-03.
How severe is CVE-2023-42114?: Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2023-42114 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.