Vulnerability in Drupal Core

CVE-2020-13677

Under some circumstances, the Drupal core JSON:API module does not properly restrict access to certain content, which may result in unintended access bypass. Sites that do not have the JSON:API module enabled are not affected.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-13677: held from 0.011 to 0.012.

EPSS over last 30 days · oldest: 0.011 · newest: 0.012 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13677?
CVE-2020-13677 is a high-severity vulnerability in Drupal Core, classified under Improper Access Control. CVSS score: 7.5/10. Published 2022-02-11.
How severe is CVE-2020-13677?
High severity. CVSS v3 base score is 7.5 out of 10.