CVE-2021-21123

Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
ChromeCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 85%
VendorProductVersion
googlechrome
𝑥
< 88.0.4324.96
microsoftedge_chromium
𝑥
< 88.0.705.50
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bullseye (security)
120.0.6099.224-1~deb11u1
fixed
bullseye
120.0.6099.224-1~deb11u1
fixed
bookworm
128.0.6613.84-1~deb12u1
fixed
bookworm (security)
130.0.6723.91-1~deb12u1
fixed
trixie
129.0.6668.89-1
fixed
sid
130.0.6723.91-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
chromium-browser
groovy
not-affected
focal
not-affected
bionic
Fixed 89.0.4389.82-0ubuntu0.18.04.1
released
xenial
Fixed 89.0.4389.82-0ubuntu0.16.04.1
released
trusty
dne
Common Weakness Enumeration
References
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1137247
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1137247
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123