VulnRadar

Data against noise.

Page generated: 11 Nov 2026, 05:05 UTC

CVE-2021-30883

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with…

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CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.2/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 7.8: +1.17
Fresh EPSS: 14.72%: +0.07

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 13 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

Bitsight

Press · 13 Jan 2023, 15:27 · 2023 Apple & iOS Vulnerabilities from CISA: Data - Bitsight

Macworld

Press · 24 Jun 2022, 07:00 · Italian spyware iPhone attack: Why you probably don’t need to worry - Macworld

Help Net Security

Press · 29 Oct 2021, 07:00 · Apple fixes security feature bypass in macOS (CVE-2021-30892) - Help Net Security

AppleInsider

Press · 26 Oct 2021, 07:00 · Apple releases iOS 14.8.1, iPadOS 14.8.1 update with security fixes - AppleInsider

Check Point Research

Press · 18 Oct 2021, 07:00 · 18th October – Threat Intelligence Report - Check Point Research

See all 13 source documents

Lifewire

Press · 12 Oct 2021, 07:00 · Newest iOS 15 Update Addresses Another Security Flaw - Lifewire

TechTarget

Press · 12 Oct 2021, 07:00 · Apple patches iOS vulnerability actively exploited in the wild - TechTarget

Bitdefender

Press · 12 Oct 2021, 07:00 · Another Zero-Day Found in iOS 15. Apple Rolls Out Urgent Fix - Bitdefender

Krebs on Security

Press · 12 Oct 2021, 07:00 · Patch Tuesday, October 2021 Edition - Krebs on Security

Sophos

Press · 12 Oct 2021, 07:00 · Apple quietly patches yet another iPhone 0-day – check you have 15.0.2 - Sophos

The Hacker News

Press · 12 Oct 2021, 07:00 · Apple Releases Urgent iPhone and iPad Updates to Patch New Zero-Day Vulnerability - The Hacker News

The Verge

Press · 11 Oct 2021, 07:00 · Apple releases iOS 15.0.2 with some Find My fixes - The Verge

The Record from Recorded Future News

Press · 10 Oct 2021, 07:00 · Apple patches iPhone zero-day in iOS 15.0.2 - The Record from Recorded Future News

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.2 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 7.8; EPSS 14.7%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: local access, no prior privileges, user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:26.907878+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

24 Aug 2021, 18:49

First press mention

10 Oct 2021, 07:00

Added to the CISA KEV catalog

23 May 2022, 00:00

Latest press mention

13 Jan 2023, 15:27

Score calculated

05 Nov 2026, 13:58