CVE-2024-23832

moderate-risk
Published 2024-02-01

Mastodon is a free, open-source social network server based on ActivityPub Mastodon allows configuration of LDAP for authentication. Due to insufficient origin validation in all Mastodon, attackers can impersonate and take over any remote account. Every Mastodon version prior to 3.5.17 is vulnerable, as well as 4.0.x versions prior to 4.0.13, 4.1.x version prior to 4.1.13, and 4.2.x versions prior to 4.2.5.

Do I need to act?

~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.4/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Joinmastodon

References (6)

Mailing List http://www.openwall.com/lists/oss-security/2024/02/02/4
Patch https://github.com/mastodon/mastodon/commit/1726085db5cd73dd30953da858f9887bcc90...
Vendor Advisory https://github.com/mastodon/mastodon/security/advisories/GHSA-3fjr-858r-92rw
Mailing List http://www.openwall.com/lists/oss-security/2024/02/02/4
Patch https://github.com/mastodon/mastodon/commit/1726085db5cd73dd30953da858f9887bcc90...
Vendor Advisory https://github.com/mastodon/mastodon/security/advisories/GHSA-3fjr-858r-92rw
41
/ 100
moderate-risk
Severity 31/34 · Critical
Exploitability 5/34 · Minimal
Exposure 5/34 · Minimal