CVE-2023-42451
Last modified
CVE-2023-42451 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2 contain a patch for this issue.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Joinmastodon | Mastodon | < 3.5.14 | — |
| Joinmastodon | Mastodon | >= 4.0.0, < 4.0.10 | — |
| Joinmastodon | Mastodon | >= 4.1.0, < 4.1.8 | — |
| Joinmastodon | Mastodon | 4.2.0 | Beta1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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