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CVE-2021-21117

Date: February 9, 2021

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.

Severity Score

Related Resources (6)

https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-21117
https://crbug.com/1137179
https://security-tracker.debian.org/tracker/CVE-2021-21117
https://nvd.nist.gov/vuln/detail/CVE-2021-21117
https://www.mend.io/vulnerability-database/CVE-2021-21117

Severity Score

Weakness Type (CWE)

Link Following

CWE-59

Race Conditions

CWE-362

Improper Privilege Management

CWE-269

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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