Vulnerability CVE-2021-21137

Vulnerability Name:

CVE-2021-21137 (CCN-195284)

Assigned:

2020-12-21

Published:

2021-01-19

Updated:

2022-06-28

Summary:

Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to obtain potentially sensitive information from disk via a crafted HTML page.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Type:

CWE-74

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2021-21137

Source: CCN
Type: Google Chrome Releases Web site
Stable Channel Update for Desktop

Source: MISC
Type: Release Notes, Vendor Advisory
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html

Source: MISC
Type: Exploit, Issue Tracking, Patch, Vendor Advisory
https://crbug.com/1093791

Source: XF
Type: UNKNOWN
google-chrome-cve202121137-sec-bypass(195284)

Source: MISC
Type: Third Party Advisory
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21137

Vulnerable Configuration:

Configuration 1:

cpe:/a:google:chrome:*:*:*:*:*:*:*:* (Version < 88.0.4324.96)

OR cpe:/a:microsoft:edge_chromium:*:*:*:*:*:*:*:* (Version < 88.0.705.50)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:112066	P	chromedriver-93.0.4577.82-1.1 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:112558	P	libQt5Pdf5-5.15.6-2.1 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:100359	P	(Important)	2021-12-06
oval:org.opensuse.security:def:106045	P	Security update for busybox (Important)	2021-10-27
oval:org.opensuse.security:def:105615	P	chromedriver-93.0.4577.82-1.1 on GA media (Moderate)	2021-10-01
oval:org.opensuse.security:def:96406	P	Security update for libqt5-qtwebengine (Important)	2021-07-09
oval:org.opensuse.security:def:109753	P	Security update for libqt5-qtwebengine (Important)	2021-07-09
oval:org.opensuse.security:def:103096	P	Security update for libqt5-qtwebengine (Important)	2021-07-09
oval:org.opensuse.security:def:11096	P	Security update for libqt5-qtwebengine (Important)	2021-07-09
oval:org.opensuse.security:def:111478	P	Security update for libqt5-qtwebengine (Important)	2021-07-05
oval:org.opensuse.security:def:103131	P	Security update for chromium (Important)	2021-01-29
oval:org.opensuse.security:def:96441	P	Security update for chromium (Important)	2021-01-29
oval:org.opensuse.security:def:11170	P	Security update for chromium (Important)	2021-01-29
oval:org.opensuse.security:def:109788	P	Security update for chromium (Important)	2021-01-29
oval:org.opensuse.security:def:107025	P	Security update for chromium (Important)	2021-01-27
oval:org.opensuse.security:def:11168	P	Security update for chromium (Important)	2021-01-27
oval:org.opensuse.security:def:93646	P	Security update for chromium (Important)	2021-01-27
oval:org.opensuse.security:def:111194	P	Security update for chromium (Important)	2021-01-27
oval:org.opensuse.security:def:110656	P	Security update for chromium (Important)	2021-01-26

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