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Vulnerability details: VCID-8gua-z2vb-x3bn
Vulnerability ID VCID-8gua-z2vb-x3bn
Aliases CVE-2021-30540
Summary Incorrect security UI in payments in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker to perform domain spoofing via a crafted HTML page.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
System Score Found at
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
epss 0.00419 https://api.first.org/data/v1/epss?cve=CVE-2021-30540
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-30540
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-30540
archlinux High https://security.archlinux.org/AVG-2044
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-30540
https://crbug.com/1184147
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30540
990079 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990079
AVG-2044 https://security.archlinux.org/AVG-2044
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVE-2021-30540 https://nvd.nist.gov/vuln/detail/CVE-2021-30540
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-2021-30540
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-2021-30540
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 0.61019
EPSS Score 0.00419
Published At Aug. 7, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:32.810318+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/edge/community.json 37.0.0