CVE-2020-13677

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-284

Affected software

Vendor	Product	Versions
Drupal	Core	>= 9.2.x, < 9.2.6; >= 9.1.x, < 9.1.13; >= 8.9.x, < 8.9.19

References

https://www.drupal.org/sa-core-2021-010Patch, Vendor Advisory
https://www.drupal.org/sa-core-2021-010Patch, Vendor Advisory

Timeline

Published: Feb 11, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-13687.8An elevation of privilege vulnerability exists in the way that the Credential Enrollment Manager service handles objects in memory, aka 'Win CVE-2020-136886.1Cross-site scripting vulnerability in l Drupal Core allows an attacker could leverage the way that HTML is rendered for affected forms in or CVE-2020-13697.8An elevation of privilege vulnerability exists in the way that the Windows WalletService handles objects in memory, aka 'Windows WalletServi CVE-2020-136927.7PostgreSQL JDBC Driver (aka PgJDBC) before 42.2.13 allows XXE.CVE-2020-136939.8An unauthenticated privilege-escalation issue exists in the bbPress plugin before 2.6.5 for WordPress when New User Registration is enabled.CVE-2020-136948.8In QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8, the local www-data user can execute sudo mysql without a password CVE-2020-136957.2In QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8, the local www-data user has sudo privileges to execute grep as ro CVE-2020-136964.4An issue was discovered in LinuxTV xawtv before 3.107. The function dev_open() in v4l-conf.c does not perform sufficient checks to prevent a CVE-2020-136976.1An issue was discovered in RouterNanoHTTPD.java in NanoHTTPD through 2.3.1. The GeneralHandler class implements a basic GET handler that pri CVE-2020-136998.8TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI handlers. A malicious website could launch TeamViewer wi CVE-2020-13707.8An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Elevation CVE-2020-137007.5An issue was discovered in the acf-to-rest-api plugin through 3.1.0 for WordPress. It allows an insecure direct object reference via permali