CVE-2023-31439: systemd_project systemd
CVSS: 5.3v3.1MediumModified
AliasesDEBIAN-CVE-2023-31439CGA-3f3j-jhpr-hfq5CGA-46pw-w289-5297
Published 13-06-2023Last modified 02-08-2024
Vulnerability summary
CVE-2023-31439 is a medium (CVSS 5.3) vulnerability in systemd_project systemd. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 13-06-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in systemd 253. An attacker can modify the contents of past events in a sealed log file and then adjust the file such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 20-09-2026
20-09-202620-10-2026
EPSS score0.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- systemdAll versions (No fix recorded)
Debian1 product
- systemdAll versions (No fix recorded)
Systemd_project1 product
- systemd253
Wolfi1 product
- systemdAll versions (No fix recorded)
4 vendors · 4 products
References
5 links- github.com/systemd/systemd/releasesRelease Notes
- github.com/kastel-security/Journald/blob/main/journald-publication.pdfTechnical Description