Incorrect authorization in Spring Cloud Netflix Zuul
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-863.
Summary
Applications using the “Sensitive Headers” functionality in Spring Cloud Netflix Zuul 2.2.6.RELEASE and below may be vulnerable to bypassing the “Sensitive Headers” restriction when executing requests with specially constructed URLs. Applications that use Spring Security's StrictHttpFirewall (enabled by default for all URLs) are not affected by the vulnerability, as they reject requests that allow bypassing.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | Spring Cloud Netflix Zuul | up to 2.2.6 | — | No fix listed | CNA |
| — | org.springframework.cloud:spring-cloud-netflix-zuul (Maven) | before 2.2.7 | 2.2.7 | Patch available | GHSA-vwpg-f6gw-rjvf |
- Spring Cloud Netflix Zuul Vendor— Affected up to 2.2.6 Fixed in — No fix listed CNA
- org.springframework.cloud:spring-cloud-netflix-zuul (Maven) Vendor— Affected before 2.2.7 Fixed in 2.2.7 Patch available GHSA-vwpg-f6gw-rjvf
Remediation
- Fix · GHSA-vwpg-f6gw-rjvf org.springframework.cloud:spring-cloud-netflix-zuul (Maven) Fixed in 2.2.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22113
- 2026-10-03 Alias added: GHSA-vwpg-f6gw-rjvf
References
Sources
- CVE-2021-22113 · CVE Program
- CVE-2021-22113 · NVD
- FIRST EPSS
- GHSA-vwpg-f6gw-rjvf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences