Django REST framework

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-184j-aaaw-pbed
SummaryIf a domain name contained a RTL character, it would cause the domain to be rendered to the right of the path. This could lead to user confusion and spoofing attacks. *This bug only affects Firefox for Android. Other operating systems are unaffected.**Note*: Due to a clerical error this advisory was not included in the original announcement, and was added in February 2022.
Aliases
0
alias CVE-2021-4221
Fixed_packages
0
url pkg:deb/debian/firefox@150.0-1?distro=sid
purl pkg:deb/debian/firefox@150.0-1?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0-1%3Fdistro=sid
1
url pkg:deb/debian/firefox@0?distro=sid
purl pkg:deb/debian/firefox@0?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@0%3Fdistro=sid
2
url pkg:deb/debian/firefox@149.0-1?distro=sid
purl pkg:deb/debian/firefox@149.0-1?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid
3
url pkg:deb/debian/firefox@149.0.2-1?distro=sid
purl pkg:deb/debian/firefox@149.0.2-1?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid
Affected_packages
References
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-4221
reference_id
reference_type
scores
0
value 0.00182
scoring_system epss
scoring_elements 0.39897
published_at 2026-04-21T12:55:00Z
1
value 0.00182
scoring_system epss
scoring_elements 0.3984
published_at 2026-04-01T12:55:00Z
2
value 0.00182
scoring_system epss
scoring_elements 0.39986
published_at 2026-04-02T12:55:00Z
3
value 0.00182
scoring_system epss
scoring_elements 0.40011
published_at 2026-04-11T12:55:00Z
4
value 0.00182
scoring_system epss
scoring_elements 0.39975
published_at 2026-04-12T12:55:00Z
5
value 0.00182
scoring_system epss
scoring_elements 0.39956
published_at 2026-04-13T12:55:00Z
6
value 0.00182
scoring_system epss
scoring_elements 0.40006
published_at 2026-04-16T12:55:00Z
7
value 0.00182
scoring_system epss
scoring_elements 0.39977
published_at 2026-04-18T12:55:00Z
8
value 0.00182
scoring_system epss
scoring_elements 0.40014
published_at 2026-04-04T12:55:00Z
9
value 0.00182
scoring_system epss
scoring_elements 0.39934
published_at 2026-04-07T12:55:00Z
10
value 0.00182
scoring_system epss
scoring_elements 0.39988
published_at 2026-04-08T12:55:00Z
11
value 0.00182
scoring_system epss
scoring_elements 0.40001
published_at 2026-04-09T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-4221
1
reference_url https://www.mozilla.org/en-US/security/advisories/mfsa2021-38
reference_id mfsa2021-38
reference_type
scores
0
value high
scoring_system generic_textual
scoring_elements
url https://www.mozilla.org/en-US/security/advisories/mfsa2021-38
2
reference_url https://www.mozilla.org/security/advisories/mfsa2021-38/
reference_id mfsa2021-38
reference_type
scores
0
value 4.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:48:58Z/
url https://www.mozilla.org/security/advisories/mfsa2021-38/
3
reference_url https://bugzilla.mozilla.org/show_bug.cgi?id=1704422
reference_id show_bug.cgi?id=1704422
reference_type
scores
0
value 4.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:48:58Z/
url https://bugzilla.mozilla.org/show_bug.cgi?id=1704422
Weaknesses
Exploits
Severity_range_score4.3 - 8.9
Exploitabilitynull
Weighted_severitynull
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-184j-aaaw-pbed