PT-2021-23940 · Discourse · Discourse

Jomaxro · Published 2021-12-01 · Updated 2024-03-06 · CVE-2021-43794

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: Discourse (affected versions not specified)

Description: The issue affects Discourse, an open source discussion platform, where an attacker can poison the cache for anonymous users. This results in the users being shown a JSON blob instead of the HTML page, leading to a partial denial-of-service.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-610

Related Identifiers

BIT-DISCOURSE-2021-43794

CVE-2021-43794

GHSA-249G-PC77-65HP

Affected Products

Discourse

References · 6

• https://github.com/discourse/discourse/commit/2da0001965c6d8632d723c46ea5df9f22a1a23f1 · Patch
• https://osv.dev/vulnerability/CVE-2021-43794 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-discourse-2021-43794 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43794 · Security Note
• https://github.com/discourse/discourse/security/advisories/GHSA-249g-pc77-65hp · Note
• https://t.me/cibsecurity/33227 · Telegram Post