Auth bypass in Apple iOS
CVE-2021-30769
A logic issue was addressed with improved state management. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.
Vulnerability class: Broken Authentication
EPSS: 0.011 (62.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Apple Ios — versions unspecified
- Apple Iphone_os
- Apple Tvos — versions unspecified
- Apple Watchos — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30769?
- CVE-2021-30769 is a medium-severity vulnerability in Apple iOS, classified under Improper Authentication. CVSS score: 5.5/10. Published 2021-09-08.
- How severe is CVE-2021-30769?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-30769 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.