CVE-2021-21125
published 2021-02-09CVE-2021-21125: Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem…
PriorityP349high8.1CVSS 3.1
AVNACLPRNUIRSUCHIHAN
EPSS
8.08%
94.2th percentile
Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| chromium | chromium | >= 0 < 88.0.4324.96-0.1 | 88.0.4324.96-0.1 |
| debian | chromium | < chromium 88.0.4324.96-0.1 (bookworm) | chromium 88.0.4324.96-0.1 (bookworm) |
| chrome | < 88.0.4324.96 | 88.0.4324.96 | |
| chrome | >= unspecified < 88.0.4324.96 | 88.0.4324.96 | |
| chrome_chrome | — | — | |
| microsoft | edge_chromium | < 88.0.705.50 | 88.0.705.50 |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
osv8.1HIGH
vendor_debian8.1HIGH
vendor_msrc8.1HIGH
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GHSA
GHSA-wvv5-jgqq-j444: Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88
ghsa_unreviewed·2022-05-24
CVE-2021-21125 [HIGH] CWE-287 GHSA-wvv5-jgqq-j444: Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88
Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
OSV
CVE-2021-21125: Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88
osv·2021-02-09·CVSS 8.1
CVE-2021-21125 [HIGH] CVE-2021-21125: Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88
Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Chrome
Stable Channel Update for Desktop: CVE-2021-21123
vendor_chrome·2021-01-19·CVSS 6.5
CVE-2021-21123 [HIGH] Stable Channel Update for Desktop: CVE-2021-21123
Stable Channel Update for Desktop
CVE-2021-21123: Insufficient data validation in File System API. Reported by Maciej Pulikowski on 2020-10-11 [$N/A][ 1131346 ] High CVE-2021-21124: Potential user after free in Speech Recognizer
Reported by Chaoyang Ding(@V4kst1z) from Codesafe Team of Legendsec at Qi'anxin Group on 2020-09-23 [$N/A][ 1152327 ] High CVE-2021-21125: Insufficient policy enforcement in File System API
Severity: high
Microsoft
Chromium CVE-2021-21125: Insufficient policy enforcement in File System API
vendor_msrc·2021-01-12·CVSS 8.1
CVE-2021-21125 [HIGH] Chromium CVE-2021-21125: Insufficient policy enforcement in File System API
Chromium CVE-2021-21125: Insufficient policy enforcement in File System API
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About
Debian
CVE-2021-21125: chromium - Insufficient policy enforcement in File System API in Google Chrome on Windows p...
vendor_debian·2021·CVSS 8.1
CVE-2021-21125 [HIGH] CVE-2021-21125: chromium - Insufficient policy enforcement in File System API in Google Chrome on Windows p...
Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
Scope: local
bookworm: resolved (fixed in 88.0.4324.96-0.1)
bullseye: resolved (fixed in 88.0.4324.96-0.1)
forky: resolved (fixed in 88.0.4324.96-0.1)
sid: resolved (fixed in 88.0.4324.96-0.1)
trixie: resolved (fixed in 88.0.4324.96-0.1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlhttps://crbug.com/1152327https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21125https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlhttps://crbug.com/1152327https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21125
2021-02-09
Published