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CVE-2021-30762

UNKNOWN
Published 2021-09-08T13:46:40.000Z
Actions:

Expert Analysis

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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.006
probability
of exploitation in the wild

There is a 0.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.781
Higher than 78.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Apple

iOS

Affected Versions:

unspecified

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

November 17, 2021

Added to KEV

November 3, 2021

Required Action

Apply updates per vendor instructions.

Affected Product

Vendor/Project: Apple
Product: iOS

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-gj4g-95xx-7pc7

Advisory Details

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-30762
WEB https://support.apple.com/en-us/HT212548

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 16, 2024

References

https://support.apple.com/en-us/HT212548
Published: 2021-09-08T13:46:40.000Z
Last Modified: 2025-01-29T17:27:25.499Z
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