CVE-2021-33181

Server-Side Request Forgery (SSRF) vulnerability in webapi component in Synology Video Station...

6.6 Medium

Server-Side Request Forgery (SSRF) vulnerability in webapi component in Synology Video Station before 2.4.10-1632 allows remote authenticated users to send arbitrary request to intranet resources via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.97%Up 0.4 points since Jun 2, 2021

What each source reports

CVE List Score used 6.6

Record: CVE-2021-33181
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2021-19896 6.6

Record: EUVD-2021-19896
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6q24-858g-34rg No score

Server-Side Request Forgery (SSRF) vulnerability in webapi component in Synology Video Station...

Record: GHSA-6q24-858g-34rg
Weakness: CWE-918
Updated: 2026-11-02

NVD 6.6

Record: CVE-2021-33181
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-918
Updated: 2026-11-02

Affected products

synology video station

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-33181 is a medium vulnerability (CVSS 6.6) in Synology Video Station, published June 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.