Is CVE-2021-30900 actively exploited?

Yes. CVE-2021-30900 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-30900 be exploited remotely?

The attack vector of CVE-2021-30900 has not been classified yet.

What is the CVSS score of CVE-2021-30900?

CVE-2021-30900 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-30900

HIGHCISA KEVIN THE WILD

CVE-2021-30900

Published: March 30, 2023

EPSS:1.19%probability of exploitation in 30 daysPercentile:78.6th

Official Description

Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges.

NVD Source

CISA KEV Advisory

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges.

Added to KEV: 2023-03-30Federal patch deadline: 2023-04-20

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Apple GPU drivers in iOS, iPadOS, and macOS are vulnerable to an out-of-bounds write, which could allow a malicious application to execute code with kernel privileges. This is a high-severity vulnerability, and its inclusion in CISA's KEV catalog indicates it has been actively exploited. The EPSS score of 0.01194 suggests a low but present likelihood of exploitation.

This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog. Exploitation requires a malicious application.

Recommended Action

Update iOS, iPadOS, and macOS to the latest versions provided by Apple to patch the GPU drivers. Ensure all applications are from trusted sources.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-30900 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-30900 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.