Kan is Vulnerable to Unauthenticated SSRF via Attachment Download Endpoint
83Vexday Risk Score
Corrige ahora. Ella explotación observada por VulnCheck y tiene exploit funcional público.
ssvc Actcvss 8.6epss 21%
de la publicación al arma7 días
Publicada en NVD18 mar
1ª PoC+7d
VulnCheck+183d
probabilidad de explotación
21%top 3% de las CVE
explotación observada
síVulnCheck
1 exploit(s) público(s)
Kan is an open-source project management tool. In versions 0.5.4 and below, the /api/download/attatchment endpoint has no authentication and no URL validation. The Attachment Download endpoint accepts a user-supplied URL query parameter and passes it directly to fetch() server-side, and returns the full response body. An unauthenticated attacker can use this to make HTTP requests from the server to internal services, cloud metadata endpoints, or private network resources. This issue has been fixed in version 0.5.5. To workaround this issue, block or restrict access to /api/download/attatchment at the reverse proxy level (nginx, Cloudflare, etc.).
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Productos afectados
kanbn · kanPoCs públicas encontradas — 1
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