CVE-2021-36157
cortex: Grafana Cortex directory traversal
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 22, 2021
Updated · November 4, 2026
Description
A flaw in the Grafana cortex package could allow a remote attacker to traverse directories on the system caused by improper input validation by the X-Scope-OrgID header value. An attacker could send a specially-crafted URL request containing "dot-dot" sequences (/../) to view some of the contents in the error message.
Statement
CVE-2021-36157 refers to a directory traversal issue in Grafana Cortex, which is neither shipped in Red Hat Enterprise Linux, nor it has any dependency with Grafana package, hence, not-affected.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory