CVE-2021-30811
MEDIUM
5.5
CVSS Score
Published: October 19, 2021 at 01:12 PM UTC
Updated: June 17, 2026 at 03:50 AM UTC
4 products affected across 1 vendormacOSiPhone OSiPadOS
Using iOS and iPadOS by Apple?
Get instant alerts when new vulnerabilities affect iOS and iPadOS - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
Description
This issue was addressed with improved checks. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8. A local attacker may be able to read sensitive information.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 15v < 15.0
Affected range stops below 15, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.0, so it looks safe — our inference, not a vendor statement
v < 15.0
Affected range stops below 15.0, so it looks safe — our inference, not a vendor statement
v < 11.610.14.0 ≤ v < 10.14.610.15 ≤ v < 10.15.710.14.610.14.6 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 security_update_2021-00410.14.6 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 security_update_2021-00310.15.7 supplemental_update
Affected range stops below 10.14.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.6, 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 (7)
Mailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2021/Oct/61Mailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2021/Oct/62x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212814x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212819CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card