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Vulnerability details: VCID-agqa-drxz-aaan
Vulnerability ID VCID-agqa-drxz-aaan
Aliases CVE-2021-30823
Summary A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
rhas Moderate https://access.redhat.com/errata/RHSA-2022:1777
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30823.json
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
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epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00052 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
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epss 0.00054 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00063 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00137 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00137 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00137 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00254 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
epss 0.00502 https://api.first.org/data/v1/epss?cve=CVE-2021-30823
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2034373
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 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2021-30823
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-30823
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-30823
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30823.json
https://api.first.org/data/v1/epss?cve=CVE-2021-30823
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://support.apple.com/en-us/HT212807
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/en-us/HT212869
https://support.apple.com/kb/HT212953
http://www.openwall.com/lists/oss-security/2021/12/20/6
2034373 https://bugzilla.redhat.com/show_bug.cgi?id=2034373
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: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-2021-30823 https://nvd.nist.gov/vuln/detail/CVE-2021-30823
GLSA-202202-01 https://security.gentoo.org/glsa/202202-01
RHSA-2022:1777 https://access.redhat.com/errata/RHSA-2022:1777
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30823.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:L/UI:N/S:U/C:N/I:H/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:L/Au:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30823
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:L/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30823
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:L/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30823
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 0.12288
EPSS Score 0.00042
Published At May 10, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.