CVE-2023-31439
An issue was discovered in systemd 253. An attacker can modify the contents of past events in a...
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."
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2023-31439- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-354
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2023-31439- Updated
- 2026-11-02
EUVDEUVD-2023-35747 No score
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."
- Record
EUVD-2023-35747- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mvwm-rcrw-pr2j
An issue was discovered in systemd 253. An attacker can modify the contents of past events in a...
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.
- Record
GHSA-mvwm-rcrw-pr2j- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-354
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-31439
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."
- Record
DEBIAN-CVE-2023-31439- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSV No score
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."
- Record
CVE-2023-31439- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
systemdDebian:12 |
All versions, plus listed versions 252.11-1252.11-1~deb12u1252.12-1~deb12u1252.14-1~deb12u1252.16-1~deb12u1 Show 45 moreShow less252.17-1~deb12u1252.18-1~deb12u1252.19-1~deb12u1252.20-1~deb12u1252.21-1~deb12u1252.22-1~deb12u1252.23-1~deb12u1252.24-1~deb12u1252.25-1~deb12u1252.26-1~deb12u1252.26-1~deb12u2252.26-1~deb12u2~bpo11+1252.27-1~deb12u1252.28-1~deb12u1252.29-1~deb12u1252.29-1~deb12u1~bpo11+1252.30-1~deb12u1252.30-1~deb12u2252.31-1~deb12u1252.32-1~deb12u1252.33-1~deb12u1252.36-1~deb12u1252.38-1~deb12u1252.39-1~deb12u1252.39-1~deb12u2252.6-1252.6-1+loong64253-1253-2253-3253-4253.5-1253~rc2-1253~rc3-1254-1254.1-1254.1-2254.1-3254.14-1~bpo12+1254.15-1~bpo12+1254.16-1~bpo12+1254.22-1~bpo12+1254.26-1~bpo12+1254.3-1254.4-1 |
None known |
systemdDebian:13 |
All versions, plus listed versions 257.13-1~deb13u1257.7-1257.8-1~deb13u1257.8-1~deb13u2257.9-1~deb13u1 Show 36 moreShow less258-1258.1-1258.1-2258~rc1-1258~rc2-1258~rc2-2258~rc3-1258~rc4-1259-1259.1-1259~rc1-1259~rc2-1259~rc3-1260-1260.1-1260~rc1-1260~rc1-2260~rc2-1260~rc3-1260~rc4-1261-1261-2261.1-1261.1-2261.1-3261.2-1261~rc1-1261~rc2-1261~rc3-1261~rc4-1262-1262.1-1262~rc1-1262~rc1-2262~rc2-1262~rc3-1 |
None known |
systemdDebian:14 |
All versions, plus listed versions 257.13-1~deb13u1257.7-1257.8-1~deb13u1257.8-1~deb13u2257.9-1~deb13u1 Show 36 moreShow less258-1258.1-1258.1-2258~rc1-1258~rc2-1258~rc2-2258~rc3-1258~rc4-1259-1259.1-1259~rc1-1259~rc2-1259~rc3-1260-1260.1-1260~rc1-1260~rc1-2260~rc2-1260~rc3-1260~rc4-1261-1261-2261.1-1261.1-2261.1-3261.2-1261~rc1-1261~rc2-1261~rc3-1261~rc4-1262-1262.1-1262~rc1-1262~rc1-2262~rc2-1262~rc3-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31439 is a medium vulnerability (CVSS 5.3) in Systemd Project Systemd, published June 13, 2023. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile.
References
github.com/systemd/systemd/releases
nvd.nist.gov/vuln/detail/CVE-2023-31439
security-tracker.debian.org/tracker/CVE-2023-31439
Left out here: 139 versions. The JSON record has them.