← Global Threat Landscape

CVE-2021-30983

CWE-120

High

85.8

RPS

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.

Source: NVD

Signals

CVSS
7.8
High · v3.1
EPSS
2.92%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Jun 2022
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-120
Published
24 Aug 2021
Last modified 23 Oct 2025

How to read these signals: RPS · EPSS · CISA KEV · Data sources

Get this score from the API

curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
  https://api.intelligence.devsecure.io/api/v1/rps/CVE-2021-30983

Replace the placeholder with your key. Get a free API key or rank your own CVEs.

Data as of 8 Oct 2026, 05:16 UK time

CVE-2021-30983 · RPS 85.8 · DevSecure Intelligence