Search for vulnerabilities
Vulnerability details: VCID-5td3-1fem-c7h1
Vulnerability ID VCID-5td3-1fem-c7h1
Aliases CVE-2021-1825
Summary An input validation issue was addressed with improved input validation. This issue is fixed in iTunes 12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting attack.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-20 Improper Input Validation
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-1825.json
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
epss 0.00174 https://api.first.org/data/v1/epss?cve=CVE-2021-1825
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-1825
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-1825
archlinux High https://security.archlinux.org/AVG-2208
archlinux High https://security.archlinux.org/AVG-2209
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-1825.json
https://api.first.org/data/v1/epss?cve=CVE-2021-1825
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13543
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13584
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9947
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9948
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9951
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9983
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1817
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1820
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1825
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1826
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30661
https://support.apple.com/en-us/HT212319
https://support.apple.com/en-us/HT212321
1986858 https://bugzilla.redhat.com/show_bug.cgi?id=1986858
AVG-2208 https://security.archlinux.org/AVG-2208
AVG-2209 https://security.archlinux.org/AVG-2209
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
CVE-2021-1825 https://nvd.nist.gov/vuln/detail/CVE-2021-1825
RHSA-2021:1586 https://access.redhat.com/errata/RHSA-2021:1586
RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-1825.json
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-2021-1825
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-2021-1825
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 0.39347
EPSS Score 0.00174
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:43:27.932490+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.18/community.json 37.0.0