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Vulnerability details: VCID-nxcm-qyxm-t7b4
Vulnerability ID VCID-nxcm-qyxm-t7b4
Aliases CVE-2021-21210
Summary Inappropriate implementation in Network in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to potentially access local UDP ports via a crafted HTML page.
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
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
epss 0.01017 https://api.first.org/data/v1/epss?cve=CVE-2021-21210
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-21210
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-21210
archlinux High https://security.archlinux.org/AVG-1827
archlinux High https://security.archlinux.org/AVG-1828
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-21210
https://crbug.com/1184562
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21201
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21202
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21203
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21204
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21205
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21207
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21208
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21209
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21210
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21211
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21212
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21213
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21214
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21215
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21216
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21217
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21218
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21219
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21221
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21222
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21223
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21224
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21225
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21226
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4323
987053 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=987053
ASA-202104-2 https://security.archlinux.org/ASA-202104-2
AVG-1827 https://security.archlinux.org/AVG-1827
AVG-1828 https://security.archlinux.org/AVG-1828
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:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
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-2021-21210 https://nvd.nist.gov/vuln/detail/CVE-2021-21210
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-2021-21210
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-2021-21210
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 0.76262
EPSS Score 0.01017
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:04.107035+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.22/community.json 37.0.0