CVE-2019-20873

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during user activation/deactivation.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected software

No affected versions have been published.

Timeline

Published
Jun 19, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-208747.5An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information durCVE-2019-208755.3An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows a password reset to proceed while an e-mail aCVE-2019-208765.4An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Users can deactivate themselves, bypassing a policy.CVE-2019-208775.3An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information aboCVE-2019-208784.3An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Changes, within the application, to e-mail addresses arCVE-2019-208794.3An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. Changes to e-mail addresses do not require credential rCVE-2019-20885.5In StatsService, there is a possible out of bounds read. This could lead to local information disclosure if UBSAN were not enabled, with no CVE-2019-208807.5An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. It allows attackers to cause a denial of service (memorCVE-2019-208817.3An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.CVE-2019-208825.3An issue was discovered in Mattermost Server before 5.8.0. It does not honor the domain requirement when processing a join request for an opCVE-2019-208834.3An issue was discovered in Mattermost Server before 5.8.0, when Town Square is set to Read-Only. Users can pin or unpin a post.CVE-2019-208845.3An issue was discovered in Mattermost Server before 5.8.0. It allows attackers to partially attach a file to more than one post.
CVE-2019-20873: Medium severity, CVSS 6.5 | Vulnix