CVE-2019-20878 describes a vulnerability in Mattermost Server versions prior to 5.9.0, 5.8.1, 5.7.3, and 4.10.8, where changes to user email addresses are improperly handled. This medium-severity issue has a CVSS score of 4.3, indicating a network-based attack with low privileges required and a low impact on confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.10.8CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.7.0, < 5.7.3CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 5.8.0, < 5.8.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
5.9.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.9.0:rc1:*:*:*:*:*:* | ||
5.9.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:5.9.0:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.