Product Detail
MATTERMOST SERVER
https://mattermost.com/download/#server
Public Exploit/PoC Code :
6
CISA Actively Exploited :
0
Last Vulnerability Seen :
Jan. 16, 2026
Vulnerabilities
The following vulnerabilities are recorded
MATTERMOST SERVER product. You can click on the
vulnerability to view more details.
| Number | Published | CVE ID | Severity | CVSS Score | |
|---|---|---|---|---|---|
| 1 | Jun 19, 2020 | CVE-2018-21260 | MEDIUM |
4.0
|
|
| 2 | Jun 19, 2020 | CVE-2018-21259 | MEDIUM |
5.3
|
|
| 3 | Jun 19, 2020 | CVE-2018-21258 | HIGH |
7.5
|
|
| 4 | Jun 19, 2020 | CVE-2018-21257 | MEDIUM |
5.3
|
|
| 5 | Jun 19, 2020 | CVE-2018-21255 | MEDIUM |
4.3
|
|
| 6 | Jun 19, 2020 | CVE-2018-21254 | MEDIUM |
4.3
|
|
| 7 | Jun 19, 2020 | CVE-2018-21253 | MEDIUM |
4.3
|
|
| 8 | Jun 19, 2020 | CVE-2018-21251 | CRITICAL |
9.8
|
|
| 9 | Jun 19, 2020 | CVE-2018-21250 | MEDIUM |
6.5
|
|
| 10 | Jun 19, 2020 | CVE-2018-21249 | MEDIUM |
4.3
|
|
| 11 | Jun 19, 2020 | CVE-2018-21248 | HIGH |
7.5
|
|
| 12 | Jun 19, 2020 | CVE-2017-18877 | MEDIUM |
6.1
|
|
| 13 | Jun 19, 2020 | CVE-2017-18876 | MEDIUM |
4.9
|
|
| 14 | Jun 19, 2020 | CVE-2017-18875 | MEDIUM |
4.9
|
|
| 15 | Jun 19, 2020 | CVE-2017-18871 | HIGH |
7.5
|
|
| 16 | Jun 19, 2020 | CVE-2017-18870 | MEDIUM |
4.3
|
|
| 17 | Jun 19, 2020 | CVE-2019-20874 | HIGH |
7.5
|
|
| 18 | Jun 19, 2020 | CVE-2019-20873 | MEDIUM |
6.5
|
|
| 19 | Jun 19, 2020 | CVE-2019-20872 | MEDIUM |
5.5
|
|
| 20 | Jun 19, 2020 | CVE-2019-20871 | HIGH |
7.5
|