CVE-2021-36156 is a directory traversal vulnerability affecting Grafana Loki versions through 2.2.1. An unauthenticated attacker can craft the X-Scope-OrgID header to include directory traversal sequences, causing Loki to attempt to parse arbitrary files and leak their contents within error messages. This vulnerability has a CVSS score of 5.3 (Medium), indicating low impact on confidentiality and no impact on integrity or availability, with a network attack vector and low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.2.1CPE matchmatch criteria | cpe:2.3:a:grafana:loki:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.