Cleartext transmission of sensitive information in NGINX Controller
Priority LOW 36CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure, Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-319 and CWE-494.
Summary
In versions prior to 3.3.0, the NGINX Controller Agent installer script 'install.sh' uses HTTP instead of HTTPS to check and install packages
Why it matters now
EPSS 0.00476 41st percentileScored 2026-11-07
Fix Fixed NGINX Controller: 3.3.0
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 3.3.0 | 3.3.0 | Patch available | CNA |
- NGINX Controller Vendor— Affected before 3.3.0 Fixed in 3.3.0 Patch available CNA
Remediation
- Fix · CNA NGINX Controller Fixed in 3.3.0
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5867
- 2026-10-03 Alias added: GHSA-mrgg-hv86-p2g9
References
Sources
- CVE-2020-5867 · CVE Program
- CVE-2020-5867 · NVD
- FIRST EPSS
- GHSA-mrgg-hv86-p2g9 · GitHub Advisory Database · CC BY 4.0
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