AUGUST 4, 2026
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Case File

CVE-2021-1799

MEDIUM · CVSS 6.5 EPSS 1.77%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-02 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-1799
Severity
MEDIUM
CVSS
6.5
EPSS
1.77%

Original NVD 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.