CVE-2023-49952 json
Mastodon 4.1.x before 4.1.17 and 4.2.x before 4.2.9 allows a bypass of rate limiting via a crafted HTTP request header.
published 2024-11-18 23 mo ago modified 2026-09-08 2 mo ago also BIT-mastodon-2023-49952 , EUVD-2023-53847 , GHSA-c2r5-cfqr-c553
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
Mastodon 4.1.x before 4.1.17 and 4.2.x before 4.2.9 allows a bypass of rate limiting via a crafted HTTP request header.
Patch / fix
- bitnami mastodon 4.1.17, 4.2.9
- joinmastodon mastodon 4.1.17, 4.2.9
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mastodon | >=4.1.0, <4.1.17 >=4.2.0, <4.2.9 |
4.1.17 4.2.9 |
Affected products
- joinmastodon mastodon
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/mastodon/mastodon/security/advisories/GHSA-c2r5-cfqr-c553
vendor-advisory, advisory
-
github.com
/mastodon/mastodon/security
product, web
-
nvd.nist.gov
/vuln/detail/CVE-2023-49952
web
Sources
- CVE List CVE-2023-49952
- NVD CVE-2023-49952
- OSV BIT-mastodon-2023-49952
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