What is CVE-2021-32677?

CVE-2021-32677 is a high-severity vulnerability in Tiangolo Fastapi, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.2/10. Published 2021-06-09.

How severe is CVE-2021-32677?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2021-32677 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Tiangolo Fastapi

CVE-2021-32677

FastAPI is a web framework for building APIs with Python 3.6+ based on standard Python type hints. FastAPI versions lower than 0.65.2 that used cookies for authentication in path operations that received JSON payloads sent by browsers were…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (30.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.

Affected products

Tiangolo Fastapi — versions < 0.65.2

Weakness classification (CWE)

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

Public proof-of-concept exploits

anerli/cpre-530-paper-demo

References

github.com/tiangolo/fastapi/security/advisories/GHSA-8h2j-cgx8-6xv7 (x_refsource_CONFIRM)
github.com/tiangolo/fastapi/commit/fa7e3c996edf2d5482fff8f9d890ac2390dede4d (x_refsource_MISC)
FEDORA-2021-917e89c036 (vendor-advisory, x_refsource_FEDORA)

Frequently asked questions

What is CVE-2021-32677?: CVE-2021-32677 is a high-severity vulnerability in Tiangolo Fastapi, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.2/10. Published 2021-06-09.
How severe is CVE-2021-32677?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2021-32677 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.