CVE-2021-30717
HIGH
8.1
CVSS Score
Published: September 8, 2021 at 02:27 PM UTC
Updated: June 17, 2026 at 03:50 AM UTC
1 product affected across 1 vendormacOS
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Severity
HIGH8.1
Exploit prediction
EPSS 2%
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to execute arbitrary code.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 11.4v < 202110.14 ≤ v ≤ 10.14.510.15 ≤ v ≤ 10.15.611.0 ≤ v < 11.410.14.610.14.6 security_update_2019-00110.14.6 security_update_2019-00210.14.6 security_update_2019-00410.14.6 security_update_2019-00510.14.6 security_update_2019-00610.14.6 security_update_2019-00710.14.6 security_update_2020-00110.14.6 security_update_2020-00210.14.6 security_update_2020-00310.14.6 security_update_2020-00410.14.6 security_update_2020-00510.14.6 security_update_2020-00610.14.6 security_update_2020-00710.14.6 security_update_2021-00110.14.6 security_update_2021-00210.14.6 security_update_2021-00310.14.6 supplemental_update10.14.6 supplemental_update_210.15.710.15.7 security_update_202010.15.7 security_update_2020-00110.15.7 security_update_2020-00510.15.7 security_update_2020-00710.15.7 security_update_2021-00110.15.7 security_update_2021-00210.15.7 supplemental_update
Affected range stops below 11.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212529x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212530x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212531CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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