CVE-2017-18912: mattermost mattermost_server Path Traversal
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-m2ch-x2q7-2284GO-2026-4487
Published 19-06-2020Last modified 05-08-2024
Vulnerability summary
CVE-2017-18912 is a critical (CVSS 9.8) Path Traversal vulnerability in mattermost mattermost_server. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 72% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.39%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 19-06-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. It allows an attacker to specify a full pathname of a log file.
CVSS metrics
3 scores · 2 sources · 3 versionsHigh 8.8Preferred score · OSV · Go (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:NSourcesSingle source
Critical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.39%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
+0.01 pp
From 1.38% on 22-09-2026
22-09-202622-10-2026
EPSS score1.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Github.com/mattermost1 product
- mattermost-server< 3.7.4-0.20170404171331-0b5c0794fdcb | All versions (No fix recorded)
Mattermost1 product
- mattermost_server< 3.6.7 | ≥ 3.7.0, < 3.7.5 | ≥ 3.8.0, < 3.8.2
2 vendors · 2 products
