SSRF in Synology Download Station
CVE-2021-34811
Server-Side Request Forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to access intranet resources via unspecified vectors.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (53.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Synology Download Station — versions unspecified
- Synology Download Station
Weakness classification (CWE)
References
- www.synology.com/security/advisory/Synology_SA_21_11 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-34811?
- CVE-2021-34811 is a medium-severity vulnerability in Synology Download Station, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2021-06-18.
- How severe is CVE-2021-34811?
- Medium severity. CVSS v3 base score is 5.0 out of 10.