CVE-2021-23955
published 2021-02-26CVE-2021-23955: The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability…
PriorityP424medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.66%
47.0th percentile
The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 85.0-1 (sid) | firefox 85.0-1 (sid) |
| mozilla | firefox | < 85 | 85 |
| mozilla | firefox | < 85.0 | 85.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 85.0+build1-0ubuntu0.16.04.1 | 85.0+build1-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 85.0+build1-0ubuntu0.18.04.1 | 85.0+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 85.0+build1-0ubuntu0.20.04.1 | 85.0+build1-0ubuntu0.20.04.1 |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv6.1MEDIUM
vendor_debian6.1MEDIUM
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.
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-02-01
CVE-2021-23954 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, conduct clickjacking attacks, or execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Debian
CVE-2021-23955: firefox - The browser could have been confused into transferring a pointer lock state into...
vendor_debian·2021·CVSS 6.1
CVE-2021-23955 [MEDIUM] CVE-2021-23955: firefox - The browser could have been confused into transferring a pointer lock state into...
The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.
Scope: local
sid: resolved (fixed in 85.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-03: CVE-2021-23955
vendor_mozilla·CVSS 6.1
CVE-2021-23955 [MEDIUM] Mozilla Foundation Security Advisory 2021-03: CVE-2021-23955
Mozilla Foundation Security Advisory 2021-03
CVE: CVE-2021-23955
Product: Firefox
Impact: high
Fixed in: Firefox 85
GHSA
GHSA-jf2q-69fh-6qqg: The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks
ghsa_unreviewed·2022-05-24
CVE-2021-23955 [MEDIUM] CWE-1021 GHSA-jf2q-69fh-6qqg: The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks
The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.
OSV
CVE-2021-23955: The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks
osv·2021-01-26·CVSS 6.1
CVE-2021-23955 [MEDIUM] CVE-2021-23955: The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks
The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-02-26
Published