CVE-2021-3524

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

A flaw was found in the Red Hat Ceph Storage RadosGW (Ceph Object Gateway) in versions before 14.2.21. The vulnerability is related to the injection of HTTP headers via a CORS ExposeHeader tag. The newline character in the ExposeHeader tag in the CORS configuration file generates a header injection in the response when the CORS request is made. In addition, the prior bug fix for CVE-2020-10753 did not account for the use of \r as a header separator, thus a new flaw has been created.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-20 CWE-74

Affected software

Vendor	Product	Versions
n/a	ceph	ceph 14.2.21

References

Timeline

Published: May 17, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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