Search for vulnerabilities
Vulnerability details: VCID-yvkp-pyf9-4be4
Vulnerability ID VCID-yvkp-pyf9-4be4
Aliases CVE-2020-9843
Summary An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to a cross site scripting attack.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-20 Improper Input Validation
System Score Found at
cvssv3 7.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9843.json
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.002 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00763 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00763 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00763 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00763 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
epss 0.00763 https://api.first.org/data/v1/epss?cve=CVE-2020-9843
cvssv3.1 7.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2020-9843
cvssv3.1 7.1 https://nvd.nist.gov/vuln/detail/CVE-2020-9843
archlinux Critical https://security.archlinux.org/AVG-1203
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9843.json
https://api.first.org/data/v1/epss?cve=CVE-2020-9843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13753
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9802
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9803
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9805
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9806
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9807
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9850
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1879566 https://bugzilla.redhat.com/show_bug.cgi?id=1879566
ASA-202007-1 https://security.archlinux.org/ASA-202007-1
AVG-1203 https://security.archlinux.org/AVG-1203
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: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-2020-9843 https://nvd.nist.gov/vuln/detail/CVE-2020-9843
RHSA-2020:4451 https://access.redhat.com/errata/RHSA-2020:4451
RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
USN-4422-1 https://usn.ubuntu.com/4422-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9843.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: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:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-9843
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:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-9843
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 0.42451
EPSS Score 0.002
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:34:05.849406+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.14/community.json 37.0.0