Improper certificate validation in NGINX Controller
Priority LOW 35CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.
Summary
In versions of NGINX Controller prior to 3.2.0, communication between NGINX Controller and NGINX Plus instances skip TLS verification by default.
Why it matters now
EPSS 0.01059 64th percentileScored 2026-11-07
Fix Fixed NGINX Controller: 3.2.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | NGINX Controller | before 3.2.0 | 3.2.0 | Patch available | CNA |
- NGINX Controller Vendor— Affected before 3.2.0 Fixed in 3.2.0 Patch available CNA
Remediation
- Fix · CNA NGINX Controller Fixed in 3.2.0
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5864
- 2026-10-03 Alias added: GHSA-gr6m-w52c-x634
References
More F5 Nginx Controller vulnerabilities
- TI-2020-16818 Path traversal in NGINX Controller CVSS 3.1CRITICAL 9.8
- TI-2020-04819 Cross-site scripting in NGINX Controller CVSS 3.1CRITICAL 9.6
- TI-2020-04781 In NGINX Controller versions prior to 3.2.0, an unauthenticated attacker with network… CVSS 3.1HIGH 8.6
- TI-2020-04818 Cross-site request forgery in NGINX Controller CVSS 3.1HIGH 8.8
- TI-2020-04812 Session fixation in NGINX Controller CVSS 3.1HIGH 8.1
- TI-2020-04785 Cleartext transmission of sensitive information in NGINX Controller CVSS 3.1HIGH 8.1
Sources
- CVE-2020-5864 · CVE Program
- CVE-2020-5864 · NVD
- FIRST EPSS
- GHSA-gr6m-w52c-x634 · GitHub Advisory Database · CC BY 4.0
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