Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2020-9900

7.8 · HIGH

An issue existed within the path validation logic for symlinks.

Published Oct 22, 2020CWE-59EPSS 0.39%

Overview

CVE-2020-9900 is a high-severity vulnerability. It was published on October 22, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A local attacker may be able to elevate their privileges.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refsupport.apple.com/kb/HT211288Refsupport.apple.com/kb/HT211289Refsupport.apple.com/kb/HT211290Refsupport.apple.com/kb/HT211291Refsupport.apple.com/kb/HT211288Refsupport.apple.com/kb/HT211289Refsupport.apple.com/kb/HT211290Refsupport.apple.com/kb/HT211291

How CyberStrike helps

Frequently asked questions

What is CVE-2020-9900?

CVE-2020-9900 is a high-severity vulnerability. It was published on October 22, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2020-9900?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-9900?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-9900?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-9900 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2020

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999