Vulnerability Monitor

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CVE-2021-21127

Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass content security policy via a crafted Chrome Extension.

Published

2021-02-09T14:15:16.060

Last Modified

2024-11-21T05:47:37.253

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	google	chrome	< 88.0.4324.96	Yes
Application	microsoft	edge_chromium	< 88.0.705.50	Yes

References

https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html Release Notes, Vendor Advisory ([email protected])
https://crbug.com/1115590 Exploit, Issue Tracking, Vendor Advisory ([email protected])
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21127 Third Party Advisory ([email protected])
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://crbug.com/1115590 Exploit, Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21127 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)