What’s Vulnerable › Vulnerabilities

CVE-2020-27730

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-11 · updated 2026-06-17
• Weakness: CWE-22

Description

In versions 3.0.0-3.9.0, 2.0.0-2.9.0, and 1.0.1, the NGINX Controller Agent does not use absolute paths when calling system utilities.

Affected products

• NGINX Controller: from 2.0.0 through 2.9.0; from 3.0.0 before 3.10.0; 1.0.1 — fixed in 3.10.0
• NetApp Cloud Backup: all versions

How to fix

Upgrade to a fixed version: NGINX Controller 3.10.0. Check the vendor advisory for mitigations.

References

• https://security.netapp.com/advisory/ntap-20210115-0004/
• https://support.f5.com/csp/article/K43530108
• https://security.netapp.com/advisory/ntap-20210115-0004/
• https://support.f5.com/csp/article/K43530108

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