CVE-2021-43850
on github
Published
Severity
CVSS v3:
6.8 MEDIUM
CVSS v2:
4 MEDIUM
Description
Discourse is an open source platform for community discussion. In affected versions admins users can trigger a Denial of Service attack via the `/message-bus/_diagnostics` path. The impact of this vulnerability is greater on multisite Discourse instances (where multiple forums are served from a single application server) where any admin user on any of the forums are able to visit the `/message-bus/_diagnostics` path. The problem has been patched. Please upgrade to 2.8.0.beta10 or 2.7.12. No workarounds for this issue exist.
References
Configurations
| CPE23 | Version Start | Version End | Exact Version |
|---|---|---|---|
| cpe:2.3:a:discourse:discourse:2.8.0:beta1:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta2:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta3:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta4:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta5:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta6:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta7:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta9:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:2.8.0:beta8:*:*:*:*:*:* | n/a | n/a | 2.8.0 |
| cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:* | n/a | 2.7.12 | * |