CVE-2021-21111 — UI Misrepresentation / Clickjacking in Google Chrome

CWE-1021 — UI Misrepresentation / Clickjacking5 documents5 sources
Severity
9.6CRITICALNVD
EPSS
0.5%
top 36.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Google ChromeChromiumDebian Chromium+3 more
Timeline
PublishedJan 8
Latest updateMay 24

Description

Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages5 packages

▶CVEListV5google/chromeunspecified — 87.0.4280.141
▶NVDgoogle/chrome< 87.0.4280.141
▶debiandebian/chromium< chromium 87.0.4280.141-0.1 (bookworm)
▶Debianchromium/chromium< 87.0.4280.141-0.1+3

Also affects: Debian Linux 10.0, Fedora 32, 33

🔴Vulnerability Details

2
GHSA
GHSA-543r-2767-7774: Insufficient policy enforcement in WebUI in Google Chrome prior to 87↗2022-05-24
▶
OSV
CVE-2021-21111: Insufficient policy enforcement in WebUI in Google Chrome prior to 87↗2021-01-08
▶

📋Vendor Advisories

2
Chrome
Stable Channel Update for Desktop: CVE-2021-21109↗2021-01-06
▶
Debian
CVE-2021-21111: chromium - Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141...↗2021
▶