Vulnerability · Published Oct 7, 2024 · Assigned by GitHub_M

CVE-2024-45051Bypass of email address validation via encoded email addresses in Discourse

High 8.2

In plain English

A high-severity improper authentication in discourse from discourse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High

Exploit odds (30 days)0.4%top 68.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Discourse is an open source platform for community discussion. A maliciously crafted email address could allow an attacker to bypass domain-based restrictions and gain access to private sites, categories and/or groups. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
discourse	discourse	stable: < 3.3.2beta: < 3.4.0.beta2

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References

https://github.com/discourse/discourse/security/advisories/GHSA-2vjv-pgh4-6rmq x_refsource_CONFIRM