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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2021-30807

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

CVSS 7.8 · HighBuzz score 58.8KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 58.8

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 20.8 · diversity 13.0 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
20.8
7 evidence mentions in the snapshot
Diversity score
13.0
4 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
7 source links · newest first
  • Update now! Apple patches another actively used zero-dayMalwarebytes Labs

    Apple has released patches for iOS 15.3, iPadOS 15.3, and macOS Monterey 12.2 and is urging users to update. The most…

    newswww.malwarebytes.comJan 26, 2022, 5:00 PM
  • Apple released emergency update to fix zero-day actively exploitedSecurity Affairs

    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
  • Update now! Apple patches another privilege escalation bug in iOS and iPadOSMalwarebytes Labs

    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
  • 2nd August – Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 2nd August, please download our Threat Intelligence Bulletin. Top Attacks and Breaches The company that manages COVID-19 vaccination appointments in the Lazio Region in Italy has been hit by ransomware. The attack took down its IT systems, making the booking site unreachable and suspending […]

    vendorresearch.checkpoint.comAug 2, 2021, 12:37 PM
  • Security Affairs newsletter Round 325Security Affairs

    A new round of the weekly Security Affairs newsletter arrived! Every week the best security articles from Security Affairs free for you in your email box. If you want to also receive for free the international press subscribe here. Crooks target Kubernetes installs via Argo Workflows to deploy miners XCSSET MacOS malware targets Telegram, Google Chrome […]

    newssecurityaffairs.comAug 1, 2021, 8:55 AM
  • Apple fixes CVE-2021-30807 flaw, the 13th zero-day this yearSecurity Affairs

    Apple released a security update that addresses CVE-2021-30807 flaw in macOS and iOS that may have been actively exploited to deliver malware Apple addressed a security flaw, tracked as CVE-2021-30807, in macOS and iOS that may have been actively exploited to plant malware on vulnerable devices. The vulnerability resides in the IOMobileFramebuffer, which is a […]

    newssecurityaffairs.comJul 26, 2021, 10:16 PM
  • Apple Patches ‘Actively Exploited’ Mac, iOS Security FlawSecurityWeek

    Apple on Monday released a major security update with fixes for a security defect the company says “may have been actively exploited” to plant malware on macOS and iOS devices.

    newswww.securityweek.comJul 26, 2021, 7:36 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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