CVE-2020-4027
4.7 · MEDIUMOverview
CVE-2020-4027 is a medium-severity vulnerability affecting atlassian confluence. It was published on July 1, 2020 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros. The affected versions are before version 7.4.5, and from version 7.5.0 before 7.5.1.
Remediation
Check the references section for vendor advisories and patches from atlassian. Update confluence 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 |
|---|---|---|---|
| atlassian | confluence | >= 0, < 7.4.5 | Affected |
| atlassian | confluence_server | >= 7.5.0, < 7.5.1 | Affected |
Frequently Asked Questions
What is CVE-2020-4027?
CVE-2020-4027 is a medium-severity vulnerability affecting atlassian confluence. It was published on July 1, 2020 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
How severe is CVE-2020-4027?
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-4027?
Check the references section for vendor advisories and patches from atlassian. Update confluence 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-2020-4027?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-4027 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.
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