Medium severity · published Nov 28, 2022
CVE-2022-41921
Discourse is an open-source discussion platform
4.3
CVSS
0.6%
EPSS
No
On KEV
Description
Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
Discourse · Discourse
before 2.9.0; 2.9.0; 2.9.0; 2.9.0; 2.9.0; 2.9.0; +7 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41921
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41921
Patch
https://github.com/discourse/discourse/commit/3de765c89524a526ce611e11468d758a471a933f
Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-mfh7-6cv6-qccc
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