Is CVE-2020-27930 actively exploited?

Yes. CVE-2020-27930 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2020-27930 be exploited remotely?

The attack vector of CVE-2020-27930 has not been classified yet.

What is the CVSS score of CVE-2020-27930?

CVE-2020-27930 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2020-27930

HIGHCISA KEVIN THE WILD

CVE-2020-27930

Published: November 3, 2021

EPSS:47.17%probability of exploitation in 30 daysPercentile:97.6th

Official Description

Apple iOS, iPadOS, macOS, and watchOS FontParser contain a memory corruption vulnerability which may allow for code execution when processing maliciously crafted front.

NVD Source

CISA KEV Advisory

Apple Multiple Products Memory Corruption Vulnerability

Apple iOS, iPadOS, macOS, and watchOS FontParser contain a memory corruption vulnerability which may allow for code execution when processing maliciously crafted front.

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

A memory corruption vulnerability in Apple iOS, iPadOS, macOS, and watchOS FontParser could allow for arbitrary code execution when processing maliciously crafted fonts. The high EPSS score of 0.47173 and its inclusion in CISA's KEV highlight the urgency and likelihood of this vulnerability being actively exploited.

This vulnerability is actively exploited in the wild and is included in CISA's Known Exploited Vulnerabilities Catalog.

Recommended Action

Apply the latest security updates for Apple iOS, iPadOS, macOS, and watchOS to patch the FontParser vulnerability. Ensure all Apple devices are kept up-to-date with security patches.

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-2020-27930 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-2020-27930 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.