CVE-2023-5339: mattermost
CVSS: 5.5v3.1MediumModified
Published 17-10-2023Last modified 05-09-2024
Vulnerability summary
CVE-2023-5339 is a medium (CVSS 5.5) vulnerability in mattermost. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.7% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-10-2023PublishedVulnerability first disclosed.
- 05-09-2024Last modifiedVulnerability information updated.
Description
Mattermost Desktop fails to set an appropriate log level during initial run after fresh installation resulting in logging all keystrokes including password entry being logged.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSources2 sources · 4.7–5.5
- CVE.orgCNA4.7MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.14% on 21-09-2026
21-09-202621-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mattermost2 products
- mattermost≤ 5.4.0
- mattermost_desktop≤ 5.4.0
1 vendor · 2 products
References
1 links- mattermost.com/security-updatesVendor Advisory