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Vulnerability details: VCID-wr44-t35s-aaar
Vulnerability ID VCID-wr44-t35s-aaar
Aliases CVE-2021-43544
Summary When receiving a URL through a SEND intent, Firefox would have searched for the text, but subsequent usages of the address bar might have caused the URL to load unintentionally, which could lead to XSS and spoofing attacks. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
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epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
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epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00631 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
epss 0.00969 https://api.first.org/data/v1/epss?cve=CVE-2021-43544
cvssv3.1 5.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-43544
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-43544
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-43544
archlinux Medium https://security.archlinux.org/AVG-2607
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2021-52
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-43544
https://bugzilla.mozilla.org/show_bug.cgi?id=1739934
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2021-52/
AVG-2607 https://security.archlinux.org/AVG-2607
CVE-2021-43544 https://nvd.nist.gov/vuln/detail/CVE-2021-43544
mfsa2021-52 https://www.mozilla.org/en-US/security/advisories/mfsa2021-52
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-43544
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:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-43544
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:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-43544
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 0.36991
EPSS Score 0.00084
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.