Skip to main content

Iphone Os CVE-2021-30799

HIGH
Out-of-bounds Write (CWE-787)
2021-09-08 product-security@apple.com
Buffer Overflow Apple RCE Memory Corruption Iphone Os Mac Os X macOS
8.8
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Sep 08, 2021 - 14:15 nvd
HIGH 8.8

DescriptionNVD

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

AnalysisAI

Multiple memory corruption issues were addressed with improved memory handling. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution. Affected products include: Apple Iphone Os, Apple Mac Os X, Apple Macos.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

More in Iphone Os

View all
CVE-2017-13861 HIGH POC
7.8 Dec 25

An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is no authenticati
CVE-2017-2547 HIGH POC
8.8 May 22

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi
CVE-2016-0801 CRITICAL POC
9.8 Feb 07

The Broadcom Wi-Fi driver in the kernel in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49G, and 6.x before 2016-02-01

CVE-2025-31277 HIGH POC
8.8 Jul 30

WebKit memory corruption in Safari 18.6 and multiple Apple platforms allows remote code execution when processing malici
CVE-2023-43000 HIGH POC
8.8 Nov 05

A use-after-free issue was addressed with improved memory management. Rated high severity (CVSS 8.8), this vulnerability
CVE-2016-1757 HIGH POC
7.0 Mar 24

Race condition in the kernel in Apple iOS before 9.3 and OS X before 10.11.4 allows attackers to execute arbitrary code

CVE-2016-4622 HIGH
8.8 Jul 22

WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrar
CVE-2016-4669 HIGH POC
7.8 Feb 20

An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is low attack comp
CVE-2015-1155 MEDIUM POC
4.3 May 08

The history implementation in WebKit, as used in Apple Safari before 6.2.6, 7.x before 7.1.6, and 8.x before 8.0.6, allo
CVE-2023-41974 HIGH POC
7.8 Jan 10

A use-after-free issue was addressed with improved memory management. Rated high severity (CVSS 7.8), this vulnerability
CVE-2015-1126 MEDIUM POC
4.3 Apr 10

WebKit, as used in Apple iOS before 8.3 and Apple Safari before 6.2.5, 7.x before 7.1.5, and 8.x before 8.0.5, does not

CVE-2017-2370 HIGH POC
7.8 Feb 20

An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is no authenticati

Same weakness CWE-787 – Out-of-bounds Write

View all
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2012-1889 HIGH POC
8.8
CVE-2010-3333 HIGH POC
7.8
CVE-2014-1761 HIGH POC
7.8
CVE-2009-3129 HIGH POC
7.8
CVE-2021-1732 HIGH POC
7.8
CVE-2013-3346 CRITICAL POC
9.8

Same technique Buffer Overflow

View all
CVE-2017-7269 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2009-0927 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2017-11882 HIGH POC
7.8
CVE-2010-3333 HIGH POC
7.8

Share

CVE-2021-30799 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy