CVE-2021-20865
7.5 · HIGHOverview
CVE-2021-20865 is a high-severity vulnerability affecting advancedcustomfields advanced_custom_fields. It was published on December 13, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing authorization vulnerability in browsing database which may allow a user to browse unauthorized data via unspecified vectors.
Remediation
Check the references section for vendor advisories and patches from advancedcustomfields. Update advanced_custom_fields to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| advancedcustomfields | advanced_custom_fields | >= 0, < 5.11 | Affected |
Frequently Asked Questions
What is CVE-2021-20865?
CVE-2021-20865 is a high-severity vulnerability affecting advancedcustomfields advanced_custom_fields. It was published on December 13, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-20865?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-20865?
Check the references section for vendor advisories and patches from advancedcustomfields. Update advanced_custom_fields to the latest patched version. 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-2021-20865?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20865 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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