CVE-2021-20126: draytek vigorconnect Cross-Site Request Forgery (CSRF)
CVSS: 8.8v3.1HighModified
Published 13-10-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-20126 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in draytek vigorconnect. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.63%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 13-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Draytek VigorConnect 1.6.0-B3 lacks cross-site request forgery protections and does not sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.63% on 21-09-2026
21-09-202621-10-2026
EPSS score0.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (tenable.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Draytek1 product
- vigorconnect1.6.0:beta3
1 vendor · 1 product