CVE-2020-6471: debian debian_linux Incorrect Default Permissions
CVSS: 9.6v3.1CriticalModified
AliasesUBUNTU-CVE-2020-6471DEBIAN-CVE-2020-6471
Published 21-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6471 is a critical (CVSS 9.6) Incorrect Default Permissions vulnerability in debian debian_linux. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.6/10
010
Critical · v3.1 (NVD)EPSS score
1.40%
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
- 21-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.61 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.6Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.40%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.40% on 19-09-2026
19-09-202619-10-2026
EPSS score1.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (crbug.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- chromium< 83.0.4103.83-1
- debian_linuxEOL9.0 | 10.0
Opensuse2 products
- backports_sle15.0:sp1
- leapEOL15.1
Fedoraproject1 product
- fedoraEOL31 | 32
Google1 product
- chrome≥ unspecified, < 83.0.4103.61 | < 83.0.4103.61
Ubuntu1 product
- chromium-browser< 84.0.4147.105-0ubuntu0.16.04.1 | < 83.0.4103.61-0ubuntu0.18.04.1
5 vendors · 7 products
References
12 links- chromereleases.googleblog.com/2020/05/stable-channel-update-for-desktop_19.htmlX Refsource MISCREPORTRelease NotesVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
