What is the CVSS score of CVE-2016-7621?

CVE-2016-7621 has a CVSS 3.0 base score of 7.8 (High). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2016-7621?

Yes, a public proof-of-concept exploit is available for CVE-2016-7621. Prioritise patching immediately. EPSS: 0.2%.

Watchos CVE-2016-7621

HIGH

Use After Free (CWE-416)

2017-02-20 product-security@apple.com

Denial Of Service Use After Free RCE Memory Corruption Apple Watchos Iphone Os Mac Os X

7.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 20, 2017 - 08:59 cve.org

HIGH 7.8

DescriptionCVE.org

An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. watchOS before 3.1.3 is affected. The issue involves the "Kernel" component. It allows local users to execute arbitrary code in a privileged context or cause a denial of service (use-after-free) via unspecified vectors.

AnalysisAI

An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. watchOS before 3.1.3 is affected. The issue involves the "Kernel" component. It allows local users to execute arbitrary code in a privileged context or cause a denial of service (use-after-free) via unspecified vectors. Affected products include: Apple Watchos, Apple Iphone Os, Apple Mac Os X. Version information: before 10.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.