Critical severity · published Nov 23, 2021
CVE-2021-38002
Use after free in Web Transport in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page
9.6
CVSS
1%
EPSS
No
On KEV
Description
Use after free in Web Transport in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
before 95.0.4638.69 · source: NVD
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
34 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-38002
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-38002
Release Notes
https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
Permissions Required
https://crbug.com/1260940
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5046
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