CVE-2021-21185: debian debian_linux
CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-21185DEBIAN-CVE-2021-21185
Published 09-03-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-21185 is a medium (CVSS 4.3) vulnerability in debian debian_linux. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 69.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
1.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 09-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Insufficient policy enforcement in extensions in Google Chrome prior to 89.0.4389.72 allowed an attacker who convinced a user to install a malicious extension to obtain sensitive information via a crafted Chrome Extension.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.29%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.29% on 19-09-2026
19-09-202619-10-2026
EPSS score1.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (crbug.com)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian2 products
- chromium< 89.0.4389.82-1
- debian_linuxEOL10.0
Fedoraproject1 product
- fedoraEOL32 | 33 | 34
Google1 product
- chrome≥ unspecified, < 89.0.4389.72 | < 89.0.4389.72
Ubuntu1 product
- chromium-browser< 89.0.4389.82-0ubuntu0.16.04.1 | < 89.0.4389.82-0ubuntu0.18.04.1
4 vendors · 5 products
References
10 links- chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlX Refsource MISCRelease NotesVendor Advisory