What is CVE-2020-13663?

CVE-2020-13663 is a high-severity vulnerability in Drupal, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-06-11.

How severe is CVE-2020-13663?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-13663 known to be exploited?

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

CSRF in Drupal

CVE-2020-13663

Cross Site Request Forgery vulnerability in Drupal Core Form API does not properly handle certain form input from cross-site requests, which can lead to other vulnerabilities.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Drupal
Drupal Core — versions 7.x, 8.8.x, 8.9.x

Weakness classification (CWE)

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

Public proof-of-concept exploits

Nitheesh-S7/Security-Assessment

References

mlhess@drupal.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-13663?: CVE-2020-13663 is a high-severity vulnerability in Drupal, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-06-11.
How severe is CVE-2020-13663?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-13663 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.