Is CVE-2021-1799 actively exploited?

CVE-2021-1799 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-1799?

CVE-2021-1799 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

How do I patch CVE-2021-1799?

Patch guidance is available from apple security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-1799.

CVE-2021-1799 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-1799?

9 products: apple safari, apple ipad os, apple iphone os, apple macos, apple tvos, and 4 more.

Description

A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. A malicious website may be able to access restricted ports on arbitrary servers.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: APPLE
Published: 4/2/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apple : safariapple : ipad_osapple : iphone_osapple : macosapple : tvosapple : watchosfedoraproject : fedorafedoraproject : fedorawebkitgtk : webkitgtk

Remediation Guidance

Executive Summary

View on NIST NVD