Search for vulnerabilities
Vulnerability details: VCID-975t-6et7-aaac
Vulnerability ID VCID-975t-6et7-aaac
Aliases CVE-2021-23996
Summary By utilizing 3D CSS in conjunction with Javascript, content could have been rendered outside the webpage's viewport, resulting in a spoofing attack that could have been used for phishing or other attacks on a user. This vulnerability affects Firefox < 88.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-23996.html
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.0027 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2021-23996
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23996
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-23996
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-23996
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-23996
archlinux High https://security.archlinux.org/AVG-1834
generic_textual Medium https://ubuntu.com/security/notices/USN-4926-1
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2021-16
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-23996
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-23996.html
https://api.first.org/data/v1/epss?cve=CVE-2021-23996
https://bugzilla.mozilla.org/show_bug.cgi?id=1701834
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23996
https://ubuntu.com/security/notices/USN-4926-1
https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-23996
https://www.mozilla.org/security/advisories/mfsa2021-16/
ASA-202104-3 https://security.archlinux.org/ASA-202104-3
AVG-1834 https://security.archlinux.org/AVG-1834
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
CVE-2021-23996 https://nvd.nist.gov/vuln/detail/CVE-2021-23996
mfsa2021-16 https://www.mozilla.org/en-US/security/advisories/mfsa2021-16
USN-4926-1 https://usn.ubuntu.com/4926-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-23996
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-23996
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-23996
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.34980
EPSS Score 0.00076
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.