CVE-2021-21132

high-risk
Published 2021-02-09

Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.

Do I need to act?

!
18.4% chance of exploitation in next 30 days
EPSS score — higher than 82% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.6/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Microsoft Google

References (6)

Release Notes https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_...
Permissions Required https://crbug.com/1128206
Third Party Advisory https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21132
Release Notes https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_...
Permissions Required https://crbug.com/1128206
Third Party Advisory https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21132
52
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 13/34 · Low
Exposure 7/34 · Low