Product Detail
MATTERMOST SERVER
https://mattermost.com/download/#server
Public Exploit/PoC Code :
5
CISA Actively Exploited :
0
Last Vulnerability Seen :
Oct. 16, 2025
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-2017-18886 | HIGH |
8.8
|
|
| 2 | Jun 19, 2020 | CVE-2017-18885 | CRITICAL |
9.8
|
|
| 3 | Jun 19, 2020 | CVE-2017-18884 | HIGH |
8.1
|
|
| 4 | Jun 19, 2020 | CVE-2017-18883 | CRITICAL |
9.1
|
|
| 5 | Jun 19, 2020 | CVE-2017-18882 | MEDIUM |
6.1
|
|
| 6 | Jun 19, 2020 | CVE-2017-18881 | MEDIUM |
6.1
|
|
| 7 | Jun 19, 2020 | CVE-2017-18880 | MEDIUM |
6.1
|
|
| 8 | Jun 19, 2020 | CVE-2017-18879 | MEDIUM |
6.1
|
|
| 9 | Jun 19, 2020 | CVE-2017-18878 | MEDIUM |
4.3
|
|
| 10 | Jun 19, 2020 | CVE-2017-18874 | MEDIUM |
6.5
|
|
| 11 | Jun 19, 2020 | CVE-2018-21264 | HIGH |
8.8
|
|
| 12 | Jun 19, 2020 | CVE-2018-21256 | MEDIUM |
4.3
|
|
| 13 | Jun 19, 2020 | CVE-2018-21252 | MEDIUM |
4.3
|
|
| 14 | Jun 19, 2020 | CVE-2017-18873 | MEDIUM |
5.3
|
|
| 15 | Jun 19, 2020 | CVE-2017-18872 | MEDIUM |
4.3
|
|
| 16 | Jun 19, 2020 | CVE-2019-20890 | MEDIUM |
4.3
|
|
| 17 | Jun 19, 2020 | CVE-2019-20889 | MEDIUM |
5.3
|
|
| 18 | Jun 19, 2020 | CVE-2019-20888 | HIGH |
7.5
|
|
| 19 | Jun 19, 2020 | CVE-2019-20887 | MEDIUM |
4.3
|
|
| 20 | Jun 19, 2020 | CVE-2019-20886 | HIGH |
7.5
|