CVE-2021-21117

HIGH7.8

Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88

Published Feb 9, 2021

Modified 1 years ago

Fix available

Details

Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local attacker to perform OS-level privilege escalation via a crafted file.

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

88.0.4324.96

References

WEB

https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html

WEB

https://crbug.com/1137179

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-21117

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Ecosystems(20)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedFeb 9, 2021

ModifiedAug 3, 2024

CVE-2021-21117 | Mondoo Vulnerability Intelligence