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CVE detail

CVE-2021-30860

An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS 7.8 · HighBuzz score 65.2KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 65.2

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 25.6 · diversity 14.5 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
25.6
12 evidence mentions in the snapshot
Diversity score
14.5
5 sources across 2 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
12 source links · newest first
  • One of the Apple iOS zero-day flaws exploited by the NSO group was also used by another surveillance firm named QuaDream. One of the vulnerabilities in Apple iOS that was previously exploited by the spyware developed by the Israeli company NSO Group was also separately used by another surveillance firm named QuaDream. Like NSO Group, QuaDream develops […]

    newssecurityaffairs.comFeb 6, 2022, 6:24 PM
  • Security researchers at Google’s Project Zero have picked apart one of the most notorious in-the-wild iPhone exploits and found a never-before-seen hacking roadmap that included a PDF file pretending to be a GIF image with a custom-coded virtual CPU built out of boolean pixel operations.

    newswww.securityweek.comDec 16, 2021, 6:39 PM
  • Apple released emergency updates for both iOS and iPadOS to address a zero-day flaw that is actively exploited in the wild. Apple has released iOS 15.0.2 and iPadOS 15.0.2 to address a zero-day flaw, tracked as CVE-2021-30883, that is actively exploited in the wild. The flaw is a critical memory corruption issue that resides in […]

    newssecurityaffairs.comOct 11, 2021, 11:43 PM
  • Apple has released a security update for iOS and iPad that addresses a critical vulnerability reportedly being exploited in the wild.The…

    newswww.malwarebytes.comOct 11, 2021, 5:00 PM
  • Another zero-day in Apple’s software (CVE-2021-30869) is being actively exploited by attackers, forcing the company to push out security updates for macOS Catalina and iOS 12. About CVE-2021-30869 Flagged by researchers Erye Hernandez and Clément Lecigne of Google’s Threat Analysis Group and Ian Beer of Google Project Zero, the vulnerability is a type confusion issue found in XNU, the kernel of Apple’s macOS and iOS operating systems. As usual, Apple did not share any details … More →

    newswww.helpnetsecurity.comSep 24, 2021, 10:31 AM
  • Apple has addressed three zero-day vulnerabilities exploited by threat actors in attacks in the wild to take over iPhones and Macs. Apple has released security updates to address three zero-day vulnerabilities exploited in attacks in the wild to compromise iPhones and Macs running vulnerable iOS and macOS versions. Apple confirmed that at least one of […]

    newssecurityaffairs.comSep 23, 2021, 8:49 PM
  • 20th September – Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 20th September, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Check Point Research has seen a global surge in the black market for fake COVID-19 vaccine certificates on Telegram, following US President Biden’s vaccine mandate announcements. The black market has expanded to […]

    vendorresearch.checkpoint.comSep 19, 2021, 3:08 PM
  • Here’s an overview of some of last week’s most interesting news, articles and interviews: Apple fixes “zero-click” iMessage zero-day exploited to deliver spyware (CVE-2021-30860) Apple has released security updates for macOS, iOS, iPadOS, watchOS and Safari that patch two vulnerabilities (CVE-2021-30860, CVE-2021-30858) that are being exploited in attacks in the wild. Kali Linux 2021.3 released: Kali NetHunter on a smartwatch, wider OpenSSL compatibility, new tools, and more! Offensive Security has released Kali Linux 2021.3, the … More →

    newswww.helpnetsecurity.comSep 19, 2021, 8:00 AM
  • Apple has released security updates for macOS, iOS, iPadOS, watchOS and Safari that patch two vulnerabilities (CVE-2021-30860, CVE-2021-30858) that are being exploited in attacks in the wild. About the vulnerabilities (CVE-2021-30860, CVE-2021-30858) Active exploitation of CVE-2021-30860, a integer overflow bug that could be exploited via a maliciously crafted PDF to achieve execution of malicious code on vulnerable devices, was flagged by researchers with The Citizen Lab, an interdisciplinary laboratory based at the Munk School of … More →

    newswww.helpnetsecurity.comSep 14, 2021, 8:53 AM
  • Apple released security patches to fix two zero-day vulnerabilities in iOS and macOS that are actively exploited in attacks in the wild. Apple rolled out security patches to fix a couple of zero-day flaws in iOS and macOS (CVE-2021-30860, CVE-2021-30858), the IT giant also warns its customers that these issues are actively exploited in attacks […]

    newssecurityaffairs.comSep 13, 2021, 8:27 PM
  • Apple on Monday rolled out fixes for a pair of iOS and macOS security defects alongside a warning that these issues belong in the “actively exploited” zero-day category.

    newswww.securityweek.comSep 13, 2021, 6:24 PM
  • Spyware developed by the company NSO Group is back in the news today after Apple released an emergency fix for iPhones,…

    newswww.malwarebytes.comSep 13, 2021, 5:00 PM

Exploit code

Public exploit repository references

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