How serious is CVE-2021-30952?

This vulnerability has a CVSS score of 7.8 out of 10, classified as HIGH severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2021-30952?

Yes, proof-of-concept exploit code for CVE-2021-30952 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2021-30952?

CVE-2021-30952 affects apple safari. Check the full CVE details for specific version information.

How do I fix CVE-2021-30952?

To remediate CVE-2021-30952, check for security patches from apple. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2021-30952

High

|7.8

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to run harmful code on a user's device by tricking them into visiting a specially crafted website. It requires the user to open a malicious webpage in Safari, which could compromise their device and data.

Technical Description

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Vector Analysis

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeUnchanged

Vector String

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$2,684($1K-$5K)

Vendor Response

Grade FPatched in 1654 days

Quick Information

Published

Aug 24, 2021

over 4 years ago

Last Modified

Mar 6, 2026

about 1 month ago

Vendor

apple

Product

safari

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