CVE-2020-14460 json
An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8.
published 2020-06-19 6 y ago modified 2026-06-17 4 mo ago also BIT-mattermost-2020-14460 , EUVD-2020-6597
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.
Patch / fix
- bitnami mattermost 5.9.8, 5.16.5, 5.17.3, 5.18.1
- mattermost mattermost_server 5.9.8, 5.16.5, 5.17.3, 5.18.1
Exploit prediction
0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mattermost | <5.9.8 >=5.16.0, <5.16.5 >=5.17.0, <5.17.3 >=5.18.0, <5.18.1 >=5.19.0-rc1, <=5.19.0-rc1 >=5.19.0-rc2, <=5.19.0-rc2 >=5.19.0-rc3, <=5.19.0-rc3 |
5.9.8 5.16.5 5.17.3 5.18.1 |
References
-
mattermost.com
/security-updates/
vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2020-14460
web
Sources
- CVE List CVE-2020-14460
- NVD CVE-2020-14460
- OSV BIT-mattermost-2020-14460
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