CVE-2020-6495: debian debian_linux Incorrect Default Permissions
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-6495DEBIAN-CVE-2020-6495
Published 03-06-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6495 is a medium (CVSS 6.5) Incorrect Default Permissions vulnerability in debian debian_linux. EPSS estimates a 1.10% chance of exploitation in the next 30 days, higher than 65.1% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.10%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 03-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.97 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 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.10%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
+0.03 pp
From 1.07% on 19-09-2026
19-09-202619-10-2026
EPSS score1.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- chromium< 83.0.4103.106-1
- debian_linuxEOL9.0 | 10.0
Google1 product
- chrome≥ unspecified, < 83.0.4103.97 | < 83.0.4103.97
Ubuntu1 product
- chromium-browser< 84.0.4147.105-0ubuntu0.16.04.1 | < 84.0.4147.105-0ubuntu0.18.04.1
4 vendors · 6 products
References
9 links- chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.htmlX Refsource MISCREPORTVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
