CVE-2021-21140

Published: Feb 9, 2021Modified: Jun 17, 2026

6.8

Vector

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

Exploitability: 0.9 / Impact: 5.9

Source: NVD

Description

Uninitialized use in USB in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform out of bounds memory access via via a USB device.

Affected (2)

Products: Google: Chrome · Microsoft: Edge

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Google Chrome	Before 88.0.4324.96

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Microsoft Edge	Before 88.0.705.74

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (6)

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

Source: chrome-cve-admin@google.com

Release NotesVendor Advisory

https://crbug.com/1136327

Source: chrome-cve-admin@google.com

Permissions RequiredThird Party Advisory

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21140

Source: chrome-cve-admin@google.com

PatchVendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

https://crbug.com/1136327

Source: af854a3a-2127-422b-91ae-364da2661108

Permissions RequiredThird Party Advisory

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21140

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.