title: Misskey's missing signature validation allows arbitrary users to impersonate any remote user.
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.
problem types: CWE-347: Improper Verification of Cryptographic Signature
affected:
{
vendor: misskey-dev
product: misskey
versions:
version: < 2023.11.1-beta.1, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 9.3
baseSeverity: CRITICAL
confidentialityImpact: LOW
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
version: 3.1
]