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Vulnerability details: VCID-7h1n-spku-aaah
Vulnerability ID VCID-7h1n-spku-aaah
Aliases CVE-2020-3894
Summary A race condition was addressed with additional validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. An application may be able to read restricted memory.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-3894.html
rhas Moderate https://access.redhat.com/errata/RHSA-2020:4035
rhas Moderate https://access.redhat.com/errata/RHSA-2020:4451
cvssv3 3.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-3894.json
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
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epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
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epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
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epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
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epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
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epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.00293 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01247 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01247 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01247 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01247 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01527 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
epss 0.01759 https://api.first.org/data/v1/epss?cve=CVE-2020-3894
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1876463
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3885
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3894
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3895
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3897
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3899
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3900
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3901
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3902
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30762
cvssv3.1 3.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 2.6 https://nvd.nist.gov/vuln/detail/CVE-2020-3894
cvssv3 3.1 https://nvd.nist.gov/vuln/detail/CVE-2020-3894
cvssv3.1 3.1 https://nvd.nist.gov/vuln/detail/CVE-2020-3894
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-3894.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-3894.json
https://api.first.org/data/v1/epss?cve=CVE-2020-3894
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3885
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3894
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3895
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3897
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3899
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3900
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3901
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3902
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30762
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://support.apple.com/HT211101
https://support.apple.com/HT211102
https://support.apple.com/HT211104
https://support.apple.com/HT211105
https://support.apple.com/HT211106
https://support.apple.com/HT211107
1876463 https://bugzilla.redhat.com/show_bug.cgi?id=1876463
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:ipad_os:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*:*
CVE-2020-3894 https://nvd.nist.gov/vuln/detail/CVE-2020-3894
RHSA-2020:4035 https://access.redhat.com/errata/RHSA-2020:4035
RHSA-2020:4451 https://access.redhat.com/errata/RHSA-2020:4451
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-3894.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:H/PR:N/UI:R/S:U/C:L/I:N/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:H/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-3894
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:H/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-3894
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:H/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-3894
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 0.46657
EPSS Score 0.00262
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.