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Vulnerability details: VCID-zbp7-amt8-4yfa
Vulnerability ID VCID-zbp7-amt8-4yfa
Aliases CVE-2021-30890
Summary A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to universal cross site scripting.
Status Published
Exploitability 0.5
Weighted Severity 5.5
Risk 2.8
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
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30890.json
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00296 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
epss 0.00296 https://api.first.org/data/v1/epss?cve=CVE-2021-30890
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-30890
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-30890
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30890.json
https://api.first.org/data/v1/epss?cve=CVE-2021-30890
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30887
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30890
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/
https://www.debian.org/security/2021/dsa-5030
https://www.debian.org/security/2021/dsa-5031
http://www.openwall.com/lists/oss-security/2021/12/20/6
2034389 https://bugzilla.redhat.com/show_bug.cgi?id=2034389
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:*:*:*:*:*:*:*:*
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:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-30890 https://nvd.nist.gov/vuln/detail/CVE-2021-30890
RHSA-2022:1777 https://access.redhat.com/errata/RHSA-2022:1777
RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
USN-5213-1 https://usn.ubuntu.com/5213-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30890.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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 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-2021-30890
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-2021-30890
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 0.50382
EPSS Score 0.00271
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:38:24.072259+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5213-1/ 37.0.0