VulnRadar

Data against noise.

Page generated: 11 Nov 2026, 02:57 UTC

CVE-2021-30665

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware…

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CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.3/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 8.8: +1.32
Fresh EPSS: 3.71%: +0.02

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

Sources: 12 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

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 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

Securelist

Press · 12 Aug 2021, 07:00 · IT threat evolution in Q2 2021. PC statistics - Securelist

BleepingComputer

Press · 23 Jul 2021, 07:00 · Apple fixes bug that breaks iPhone WiFi when joining rogue hotspots - BleepingComputer

Qualys

Press · 23 Jul 2021, 07:00 · Prevent Pegasus Spyware Attacks with VMDR - Qualys

See all 12 source documents

iMore

Press · 19 Jul 2021, 07:00 · Apple releases Safari 14.1.2 for macOS Catalina and macOS Mojave - iMore

The Record from Recorded Future News

Press · 14 Jun 2021, 07:00 · Apple patches two iOS zero-days in old-gen devices - The Record from Recorded Future News

OS X Daily

Press · 05 May 2021, 07:00 · Safari 14.1 Released for MacOS Mojave & Catalina with Security Fix - OS X Daily

Macworld

Press · 04 May 2021, 07:00 · iOS 12.5.3 Update Closes Four Security Holes - Macworld

9to5Mac

Press · 04 May 2021, 07:00 · Apple releases Safari 14.1 with WebKit patch for macOS Catalina and Mojave - 9to5Mac

OS X Daily

Press · 03 May 2021, 07:00 · macOS Big Sur 11.3.1 Update with Security Fixes Released - OS X Daily

Ars Technica

Press · 03 May 2021, 07:00 · Apple reports 2 iOS 0-days that let hackers compromise fully patched devices - Ars Technica

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 8.3 (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 8.8; EPSS 3.7%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network 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

First press mention

03 May 2021, 07:00

Published

08 Sep 2021, 14:25

Latest press mention

12 Oct 2021, 07:00

Added to the CISA KEV catalog

03 Nov 2021, 00:00

Score calculated

05 Nov 2026, 13:58