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Incorrect Authorization in Spring Cloud Netflix Zuul

Moderate severity GitHub Reviewed Published May 10, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

maven org.springframework.cloud:spring-cloud-netflix-zuul (Maven)

Affected versions

< 2.2.7

Patched versions

2.2.7

Description

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.

References

Published by the National Vulnerability Database Feb 23, 2021
Reviewed May 7, 2021
Published to the GitHub Advisory Database May 10, 2021
Last updated Feb 1, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(38th percentile)

Weaknesses

CVE ID

CVE-2021-22113

GHSA ID

GHSA-vwpg-f6gw-rjvf

Source code

No known source code
This advisory has been edited. See History.
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