PT-2021-12860 · Apple · Macos X Server

R0Hansh + 3 · Published 2021-04-02 · Updated 2021-04-07 · CVE-2020-9995

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: macOS Server versions prior to 5.11

Description: An issue existed in the parsing of URLs, which was addressed with improved input validation. Processing a maliciously crafted URL may lead to an open redirect or cross site scripting.

Recommendations: For macOS Server versions prior to 5.11, update to version 5.11 to resolve the issue. As a temporary workaround, consider restricting access to URLs that may be maliciously crafted until the update is applied.

Fix

XSS

Open Redirect

Weakness Enumeration

CWE-79

CWE-601

Related Identifiers

CVE-2020-9995

Affected Products

Macos X Server

References · 4

• https://support.apple.com/en-us/HT211932 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-9995 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9995 · Security Note
• https://t.me/cvenotify/12875 · Telegram Post