CVE-2017-18887

Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.

CVSS Metrics

• v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
• v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.17%• Percentile: 38%

Techniques & Countermeasures

• CWE-200•Exposure of Sensitive Information to an Unauthorized Actor

  The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected Systems

• github.com/mattermost•mattermost-server

  < 4.1.2 | ≥ 4.2.0-rc1, < 4.2.1 | ≥ 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 (5)

• https://mattermost.com/security-updates/
• https://nvd.nist.gov/vuln/detail/CVE-2017-18887
• https://github.com/mattermost/mattermost
• https://mattermost.com/security-updates
• https://github.com/advisories/GHSA-35c4-5qfp-wxj6