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Case File

CVE-2021-30983

HIGH · CVSS 7.8 EPSS 2.92% CISA KEV · Actively Exploited

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-24 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities catalog, indicating confirmed active exploitation in the wild.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Unknown

Added to KEV: 2022-06-27

Required action: Apply updates per vendor instructions.

CVE
CVE-2021-30983
Severity
HIGH
CVSS
7.8
EPSS
2.92%

Original NVD Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.

Related CVEs

Other vulnerabilities affecting the same vendor(s)