What is CVE-2021-3932?

CVE-2021-3932 is a medium-severity vulnerability in Area17 Area17/twill, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2021-11-13.

How severe is CVE-2021-3932?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Area17 Area17/twill

CVE-2021-3932

twill is vulnerable to Cross-Site Request Forgery (CSRF)

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2021-11-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.7th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Area17 Area17/twill — versions unspecified
Area17 Twill

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

huntr.dev/bounties/6ef21e34-f6d9-445a-b657-375c53dc2b43 (Exploit, Patch, Third Party Advisory)
github.com/area17/twill/commit/81d80d1fbbdd8bb73c020f03c623fd4487bd9b78 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-3932?: CVE-2021-3932 is a medium-severity vulnerability in Area17 Area17/twill, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2021-11-13.
How severe is CVE-2021-3932?: Medium severity. CVSS v3 base score is 4.3 out of 10.