CVE-2021-22113

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 23, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-22113: Medium severity, CVSS 5.3 | Vulnix