CVE-2017-18878

Aliases:GHSA-h564-6gc2-fcc6GO-2025-4191
Advisory lineage Upstream: 0 Downstream: 1
Modified
Published: 19 Jun 2020, 18:08
Last modified:05 Aug 2024, 21:37

Vulnerability Summary

Overall Risk (default)
low
17/100
CVSS Score
4.3 MEDIUM
v3.1 (nvd)
EPSS Score
0.17% LOW
0% probability -0.07%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Jun 2020, 18:08
Published
Vulnerability first disclosed
05 Aug 2024, 21:37
Last Modified
Vulnerability information updated

Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  • v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.17%• Percentile: 38%

Techniques & Countermeasures

  • CWE-732•Incorrect Permission Assignment for Critical Resource

    The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Affected Systems

  • github.com/mattermost•mattermost-server

    < 4.1.2-0.20171004201910-6be8113eb60c | ≥ 4.2.0-rc1, < 4.2.1-0.20171004192657-8fbbd688ea24 | ≥ 4.3.0-rc1, < 4.3.0 | ≥ 4.3.0-rc1+incompatible, < 4.3.0+incompatible

  • mattermost•mattermost_server

    < 4.1.2 | ≥ 4.2.0, < 4.2.1 | 4.3.0:rc1 | 4.3.0:rc2 | 4.3.0:rc3 | 4.3.0:rc4

References (8)