CVE-2021-20126 json
Draytek VigorConnect 1.6.0-B3 lacks cross-site request forgery protections and does not sufficiently verify whether a well-formed, valid, c…
published 2021-10-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7583
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- tenable.com https://www.tenable.com/security/research/tra-2021-42 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a Draytek VigorConnect
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
tenable.com
/security/research/tra-2021-42
exploit, third-party-advisory
Sources
- CVE List CVE-2021-20126
- NVD CVE-2021-20126
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