SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2024-23832

Mastodon is a free, open-source social network server based on ActivityPub Mastodon allows configuration of LDAP for authentication.

CRITICAL 9.8EPSS 2.45%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.45% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-290
Affected
joinmastodon/mastodon
Source
security-advisories@github.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.