Medium severity · published Dec 1, 2021
CVE-2021-43793
Discourse is an open source discussion platform
4.3
CVSS
0.8%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
Discourse · Discourse
before 2.7.11; 2.8.0; 2.8.0; 2.8.0; 2.8.0; 2.8.0; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43793
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43793
Patch
https://github.com/discourse/discourse/commit/0c6b9df77bac9c6f7c7e2eadf6fe100064afdeab
Patch
https://github.com/discourse/discourse/commit/1d0faedfbc3a8b77b971dc70d25e30791dbb6e0b
Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-jq7h-44vc-h6qx
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