Is CVE-2021-30762 actively exploited?

Yes. CVE-2021-30762 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-30762 be exploited remotely?

The attack vector of CVE-2021-30762 has not been classified yet.

What is the CVSS score of CVE-2021-30762?

CVE-2021-30762 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-30762

HIGHCISA KEVIN THE WILD

CVE-2021-30762

Published: November 3, 2021

EPSS:0.05%probability of exploitation in 30 daysPercentile:15.0th

Official Description

Apple iOS WebKit contains a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

NVD Source

CISA KEV Advisory

Apple iOS WebKit Use-After-Free Vulnerability

Added to KEV: 2021-11-03Federal patch deadline: 2021-11-17

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This use-after-free vulnerability in Apple iOS WebKit can lead to arbitrary code execution when processing malicious web content. Its presence in CISA's KEV catalog signifies confirmed exploitation, making it a critical concern for affected systems. The EPSS score, while low, does not diminish the urgency given the confirmed in-the-wild exploitation.

This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog. It can be triggered remotely through maliciously crafted web content.

Recommended Action

Apply the latest security updates for Apple iOS and any other products that rely on WebKit for HTML processing. Regularly update web browsers and operating systems to protect against such vulnerabilities.

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-2021-30762 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-2021-30762 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.