CVE-2021-21176
published 2021-03-09CVE-2021-21176: Inappropriate implementation in full screen mode in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to spoof the contents of the Omnibox (URL…
PriorityP431medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
1.70%
74.7th percentile
Inappropriate implementation in full screen mode in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| debian | chromium | < chromium 89.0.4389.82-1 (bookworm) | chromium 89.0.4389.82-1 (bookworm) |
| debian | debian_linux | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| chrome | < 89.0.4389.72 | 89.0.4389.72 | |
| chrome | >= unspecified < 89.0.4389.72 | 89.0.4389.72 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_msrc6.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-6h6p-fqmj-hv93: Inappropriate implementation in full screen mode in Google Chrome prior to 89
ghsa_unreviewed·2022-05-24
CVE-2021-21176 [MEDIUM] GHSA-6h6p-fqmj-hv93: Inappropriate implementation in full screen mode in Google Chrome prior to 89
Inappropriate implementation in full screen mode in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
OSV
CVE-2021-21176: Inappropriate implementation in full screen mode in Google Chrome prior to 89
osv·2021-03-09·CVSS 6.5
CVE-2021-21176 [MEDIUM] CVE-2021-21176: Inappropriate implementation in full screen mode in Google Chrome prior to 89
Inappropriate implementation in full screen mode in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
Microsoft
Chromium CVE-2021-21176: Inappropriate implementation in full screen mode
vendor_msrc·2021-03-09·CVSS 6.5
CVE-2021-21176 [MEDIUM] Chromium CVE-2021-21176: Inappropriate implementation in full screen mode
Chromium CVE-2021-21176: Inappropriate implementation in full screen mode
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. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the
Chrome
Stable Channel Update for Desktop: CVE-2021-21174
vendor_chrome·2021-03-02·CVSS 8.8
CVE-2021-21174 [MEDIUM] Stable Channel Update for Desktop: CVE-2021-21174
Stable Channel Update for Desktop
CVE-2021-21174: Inappropriate implementation in Referrer. Reported by Jun Kokatsu (@shhnjk) on 2020-11-26 [$TBD][ 1146651 ] Medium CVE-2021-21175: Inappropriate implementation in Site isolation
Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2020-11-07 [$TBD][ 1170584 ] Medium CVE-2021-21176: Inappropriate implementation in full screen mode
Severity: medium
Debian
CVE-2021-21176: chromium - Inappropriate implementation in full screen mode in Google Chrome prior to 89.0....
vendor_debian·2021·CVSS 6.5
CVE-2021-21176 [MEDIUM] CVE-2021-21176: chromium - Inappropriate implementation in full screen mode in Google Chrome prior to 89.0....
Inappropriate implementation in full screen mode in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
Scope: local
bookworm: resolved (fixed in 89.0.4389.82-1)
bullseye: resolved (fixed in 89.0.4389.82-1)
forky: resolved (fixed in 89.0.4389.82-1)
sid: resolved (fixed in 89.0.4389.82-1)
trixie: resolved (fixed in 89.0.4389.82-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlhttps://crbug.com/1170584https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/https://security.gentoo.org/glsa/202104-08https://www.debian.org/security/2021/dsa-4886https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlhttps://crbug.com/1170584https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/https://security.gentoo.org/glsa/202104-08https://www.debian.org/security/2021/dsa-4886
2021-03-09
Published