9.1

CVE-2021-33181: synology synology video station Server-Side Request Forgery (SSRF)

CVSS: 9.1v3.1CriticalModified
Published 01-06-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2021-33181 is a critical (CVSS 9.1) Server-Side Request Forgery (SSRF) vulnerability in synology synology video station. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
0.97%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-06-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.97%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.97% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.97%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Synology2 products

1 vendor · 2 products

References

1 links