CVE-2021-21140: google chrome
CVSS: 6.8v3.1MediumModified
AliasesUBUNTU-CVE-2021-21140DEBIAN-CVE-2021-21140
Published 09-02-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-21140 is a medium (CVSS 6.8) vulnerability in google chrome. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.7% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.1 (NVD)EPSS score
0.76%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 09-02-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.8Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.76% on 21-09-2026
21-09-202621-10-2026
EPSS score0.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- chromium< 88.0.4324.96-0.1
Google1 product
- chrome≥ unspecified, < 88.0.4324.96 | < 88.0.4324.96
Microsoft1 product
- edge< 88.0.705.74
Ubuntu1 product
- chromium-browser< 89.0.4389.82-0ubuntu0.16.04.1 | < 89.0.4389.82-0ubuntu0.18.04.1
4 vendors · 4 products
References
6 links- chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlX Refsource MISCRelease NotesVendor Advisory
msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21140X Refsource MISCPatchVendor Advisory