Vulnerability · Published Mar 9, 2021 · Assigned by Chrome
CVE-2021-21172
High 8.1
In plain English
A high-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.1High
Exploit odds (30 days)1.7%top 23.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 89.0.4389.72 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.21 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.22 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.23 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.24 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.20 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.21 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.22 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21172 |
| Alpine:v3.23 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21172 |
| Debian:12 | chromium | 89.0.4389.82-1 | DEBIAN-CVE-2021-21172 |
| Debian:13 | chromium | 89.0.4389.82-1 | DEBIAN-CVE-2021-21172 |
| Debian:14 | chromium | 89.0.4389.82-1 | DEBIAN-CVE-2021-21172 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1150810 x_refsource_MISC
- FEDORA-2021-c88a96bd4b vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-4740239e28 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-78547312f2 vendor-advisory, x_refsource_FEDORA
- DSA-4886 vendor-advisory, x_refsource_DEBIAN
- GLSA-202104-08 vendor-advisory, x_refsource_GENTOO