VulnerabilityModified
CVE-2023-49079
Misskey's missing signature validation allows arbitrary users to impersonate any remote user.
HIGH 7.5EPSS 0.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Misskey is an open source, decentralized social media platform. Misskey's missing signature validation allows arbitrary users to impersonate any remote user. This issue has been patched in version 2023.11.1-beta.1.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- misskey/misskey
- Source
- security-advisories@github.com
References
- https://github.com/misskey-dev/misskey/security/advisories/GHSA-3f39-6537-3cgcMitigation, Vendor Advisory
- https://github.com/misskey-dev/misskey/security/advisories/GHSA-3f39-6537-3cgcMitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.