Vulnerability Details CVE-2021-36156
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 59.3%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
References
Products affected by CVE-2021-36156
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cpe:2.3:a:grafana:loki:0.1.0
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cpe:2.3:a:grafana:loki:0.2.0
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cpe:2.3:a:grafana:loki:0.3.0
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cpe:2.3:a:grafana:loki:0.4.0
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cpe:2.3:a:grafana:loki:1.0.0
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cpe:2.3:a:grafana:loki:1.0.1
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cpe:2.3:a:grafana:loki:1.0.2
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cpe:2.3:a:grafana:loki:1.1.0
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cpe:2.3:a:grafana:loki:1.2.0
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cpe:2.3:a:grafana:loki:1.3.0
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cpe:2.3:a:grafana:loki:1.4.0
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cpe:2.3:a:grafana:loki:1.4.1
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cpe:2.3:a:grafana:loki:1.5.0
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cpe:2.3:a:grafana:loki:1.6.0
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cpe:2.3:a:grafana:loki:1.6.1
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cpe:2.3:a:grafana:loki:2.0.0
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cpe:2.3:a:grafana:loki:2.0.1
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cpe:2.3:a:grafana:loki:2.1.0
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cpe:2.3:a:grafana:loki:2.2.0
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cpe:2.3:a:grafana:loki:2.2.1