CVE-2021-30737

HIGH EXPLOITED

iPadOS < 14.6 - Remote Code Execution via ASN.1 Decoder

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-30737 has been observed exploited in the wild (reported by VulnCheck KEV).

Description

A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted certificate may lead to arbitrary code execution.

References (7)

Core 7
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212528
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212532
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212533
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212530
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212531
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212548

Scores

CVSS v3 8.8
EPSS 0.0150
EPSS Percentile 71.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2021-06-14
CWE
CWE-787
Status published
Products (9)
apple/ipados < 14.6
apple/iphone_os < 12.5.4
apple/mac_os_x 10.14.6 (19 CPE variants)
apple/mac_os_x 10.15.6 (2 CPE variants)
apple/mac_os_x 10.15.7 (8 CPE variants)
apple/mac_os_x 10.14.0 - 10.14.5
apple/macos 11.0.1 - 11.4
apple/tvos < 14.6
apple/watchos < 7.5
Published Sep 08, 2021
Tracked Since Feb 18, 2026