CVE-2021-22113 json
Incorrect Authorization in Spring Cloud Netflix Zuul
published 2021-02-23 5 y ago modified 2026-06-17 4 mo ago also GHSA-vwpg-f6gw-rjvf , EUVD-2021-1208
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
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.
Patch / fix
- maven org.springframework.cloud:spring-cloud-netflix-zuul 2.2.7
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.springframework.cloud:spring-cloud-netflix-zuul | <2.2.7 |
2.2.7 |
Affected products
- n/a Spring Cloud Netflix Zuul
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
- Technology feeds
References
Sources
- CVE List CVE-2021-22113
- GitHub Advisory GHSA-vwpg-f6gw-rjvf
- NVD CVE-2021-22113
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