Vulnerability Details : CVE-2021-43793
Discourse is an open source discussion platform. In affected versions a vulnerability in the Polls feature allowed users to vote multiple times in a single-option poll. The problem is patched in the latest tests-passed, beta and stable versions of Discourse
Products affected by CVE-2021-43793
- cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
- cpe:2.3:a:discourse:discourse:2.8.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:discourse:discourse:2.8.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:discourse:discourse:2.8.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:discourse:discourse:2.8.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:discourse:discourse:2.8.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:discourse:discourse:2.8.0:beta6:*:*:*:*:*:*
- cpe:2.3:a:discourse:discourse:2.8.0:beta7:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43793
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43793
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST | |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2021-43793
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: security-advisories@github.com (Secondary)
References for CVE-2021-43793
-
https://github.com/discourse/discourse/security/advisories/GHSA-jq7h-44vc-h6qx
Bypass of Poll voting limits · Advisory · discourse/discourse · GitHubThird Party Advisory
-
https://github.com/discourse/discourse/commit/1d0faedfbc3a8b77b971dc70d25e30791dbb6e0b
FIX: Validate number of votes allowed per poll per user. (#15001) · discourse/discourse@1d0faed · GitHubPatch;Third Party Advisory
-
https://github.com/discourse/discourse/commit/0c6b9df77bac9c6f7c7e2eadf6fe100064afdeab
FIX: Validate number of votes allowed per poll per user (stable) (#15… · discourse/discourse@0c6b9df · GitHubPatch;Third Party Advisory
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