HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2022-06-27Vulnerability

CVE-2021-30983

Apple iOS and iPadOS contain a buffer overflow vulnerability that could allow an application to execute code with kernel privileges.

Properties

Euvd product
iOS and iPadOS
Vulnerability name
Apple iOS and iPadOS Buffer Overflow Vulnerability
First seen
2025-10-21T23:25:36+00:00
Cvss score
7.8
Epss score
0.02923
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-07-18
Euvd assigner
apple
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-06-27T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-06-27
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Apple
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (5)

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CVE-2021-30983 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal