CVE-2021-36156
MEDIUM
5.3
CVSS Score
Published: August 3, 2021 at 02:12 PM UTC
Updated: June 17, 2026 at 03:58 AM UTC
1 product affected across 1 vendorLoki
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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%
Description
An issue was discovered in Grafana Loki through 2.2.1. The header value X-Scope-OrgID is used to construct file paths for rules files, and if crafted to conduct directory traversal such as ae ../../sensitive/path/in/deployment pathname, then Loki will attempt to parse a rules file at that location and include some of the contents in the error message.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/grafana/loki/pull/4020#issue-694377133x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/grafana/loki/releases/tag/v2.3.0CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
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