Vulnerability · Published Feb 9, 2021 · Assigned by Chrome
CVE-2021-21129
Medium 6.5
In plain English
A medium-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 5.9% (higher than 93% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)5.9%top 6.8% 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 prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 88.0.4324.96-0.1 | DEBIAN-CVE-2021-21129 |
| Debian:13 | chromium | 88.0.4324.96-0.1 | DEBIAN-CVE-2021-21129 |
| Debian:14 | chromium | 88.0.4324.96-0.1 | DEBIAN-CVE-2021-21129 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html x_refsource_MISC
- https://crbug.com/1140403 x_refsource_MISC
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21129 x_refsource_MISC