CVE-2020-9995

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Server 5.11. Processing a maliciously crafted URL may lead to an open redirect or cross site scripting.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79 CWE-601

Affected software

Vendor	Product	Versions
Apple	macOS	>= unspecified, < 5.11

References

https://support.apple.com/en-us/HT211932Vendor Advisory
https://support.apple.com/en-us/HT211932Vendor Advisory

Timeline

Published: Apr 2, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-99967.8A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0.CVE-2020-99975.5An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.6, watchOS 6.2.8. CVE-2020-99997.8A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iTunes for Windows 12.1