CVE-2024-23832 json
Mastodon Remote user impersonation and takeover
published 2024-02-01 2 y ago modified 2026-09-08 2 mo ago also BIT-mastodon-2024-23832 , EUVD-2024-21275 , GHSA-3fjr-858r-92rw
- cvss
- 9.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitnami mastodon 3.5.17, 4.0.13, 4.1.13, 4.2.5
- joinmastodon mastodon 3.5.17, 4.0.13, 4.1.13, 4.2.5
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
2.45% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mastodon | <3.5.17 >=4.0.0, <4.0.13 >=4.1.0, <4.1.13 >=4.2.0, <4.2.5 |
3.5.17 4.0.13 4.1.13 4.2.5 |
Affected products
- mastodon mastodon
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
github.com
/mastodon/mastodon/commit/1726085db5cd73dd30953da858f9887bcc90b958
patch
-
openwall.com
/lists/oss-security/2024/02/02/4
mailing-list, patch
-
github.com
/mastodon/mastodon/security/advisories/GHSA-3fjr-858r-92rw
vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-23832
web
Sources
- CVE List CVE-2024-23832
- NVD CVE-2024-23832
- OSV BIT-mastodon-2024-23832
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