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Vulnerability details: VCID-g6p3-xnyc-aaak
Vulnerability ID VCID-g6p3-xnyc-aaak
Aliases CVE-2021-30851
Summary A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-30851.html
rhas Moderate https://access.redhat.com/errata/RHSA-2022:1777
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30851.json
epss 0.00470 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
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epss 0.00470 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00470 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
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epss 0.00470 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
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epss 0.0083 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
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epss 0.0083 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
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epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
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epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
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epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.00885 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.01153 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
epss 0.01185 https://api.first.org/data/v1/epss?cve=CVE-2021-30851
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2018573
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30846
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30851
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42762
cvssv3.1 7.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30851
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30851
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30851
archlinux Medium https://security.archlinux.org/AVG-2483
archlinux Medium https://security.archlinux.org/AVG-2484
generic_textual Medium https://ubuntu.com/security/notices/USN-5127-1
generic_textual Medium https://webkitgtk.org/security/WSA-2021-0006.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-30851.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30851.json
https://api.first.org/data/v1/epss?cve=CVE-2021-30851
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30818
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30846
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30851
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30884
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30888
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30889
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42762
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45481
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45483
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/
https://support.apple.com/en-us/HT212814
https://support.apple.com/en-us/HT212815
https://support.apple.com/en-us/HT212816
https://support.apple.com/en-us/HT212819
https://support.apple.com/kb/HT212869
https://ubuntu.com/security/notices/USN-5127-1
https://webkitgtk.org/security/WSA-2021-0006.html
https://www.debian.org/security/2021/dsa-4995
https://www.debian.org/security/2021/dsa-4996
http://www.openwall.com/lists/oss-security/2021/10/31/1
2018573 https://bugzilla.redhat.com/show_bug.cgi?id=2018573
ASA-202110-10 https://security.archlinux.org/ASA-202110-10
ASA-202110-9 https://security.archlinux.org/ASA-202110-9
AVG-2483 https://security.archlinux.org/AVG-2483
AVG-2484 https://security.archlinux.org/AVG-2484
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: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:macos:12.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:macos:12.0.1:*:*:*:*:*:*:*
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: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-2021-30851 https://nvd.nist.gov/vuln/detail/CVE-2021-30851
GLSA-202202-01 https://security.gentoo.org/glsa/202202-01
RHSA-2022:1777 https://access.redhat.com/errata/RHSA-2022:1777
USN-5127-1 https://usn.ubuntu.com/5127-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30851.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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 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:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30851
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30851
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:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30851
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 0.76102
EPSS Score 0.00470
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.