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01 Record

CVE-2025-24897

Misskey CSRF vulnerability due to insecure configuration of authentication cookie attributes

HighPUBLISHEDCNA: GitHub_M
CNA base score8.2 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:L

02 Description

Misskey CSRF vulnerability due to insecure configuration of authentication cookie attributes

03 Exploitation and scoring

Exploitation
Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
SSVC decision
  • ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.13% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 3.0% of scored records. A rank, not a probability.
NVD base score
8.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:L
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-02-11 15:20Z1 YR AGO
Last updated
2025-02-12 15:51Z1 YR AGO
Reserved
2025-01-27
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 8.2)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:L
Weaknesses
  • CWE-352Cross-Site Request Forgery (CSRF)Compound
  • CWE-614Sensitive Cookie in HTTPS Session Without 'Secure' AttributeVariant
  • CWE-1275Sensitive Cookie with Improper SameSite AttributeVariant
Data version
5.1
Document digest
84b231c2bdcdb79fd001ada2830533166b125b1419d481a58e2cd8428f555858

05 Affected products

VendorProductVersionsPlatforms
misskey-devmisskey>= 12.109.0, < 2025.2.0-alpha.0—

06 References