Vulnerability · Published Jun 19, 2020 · Assigned by mitre
CVE-2020-14457
Medium 5.3
In plain English
A medium-severity security flaw in the github.com/mattermost/mattermost package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.9%top 39.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Mattermost Server before 5.20.0. Non-members can receive broadcasted team details via the update_team WebSocket event, aka MMSA-2020-0012.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost | no fix listed | GO-2023-1939 |
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2023-1939 |
| Go | github.com/mattermost/mattermost-server/v5 | 5.20.0 | GHSA-j2h2-cvwh-cr64 |
| Go | github.com/mattermost/mattermost-server/v5 | 5.20.0 | GO-2023-1939 |
Affected products (as reported)
References
- https://mattermost.com/security-updates/ x_refsource_CONFIRM