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Vulnerability record · CVE-2023-31437 · published 13 June 2023

CVE-2023-31437: Systemd project systemd vulnerability

Systemd Project · Systemd

An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."

5.3 CVSS 3.1 Medium EPSS 0.34% · top 74.9% CWE-354 · CWE-354
5.3CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/kastel-security/Journald Third Party Advisory
https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf Technical Description
https://github.com/systemd/systemd/releases Release Notes
https://github.com/kastel-security/Journald Third Party Advisory
https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf Technical Description
https://github.com/systemd/systemd/releases Release Notes

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-31437), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.