Grafana path traversal
CVE-2021-43798

7.5HIGH

Key Information:

Vendor
Grafana
Status
Grafana
Vendor
CVE Published:
7 December 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 97%

Summary

Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: <grafana_host_url>/public/plugins//, where is the plugin ID for any installed plugin. At no time has Grafana Cloud been vulnerable. Users are advised to upgrade to patched versions 8.0.7, 8.1.8, 8.2.7, or 8.3.1. The GitHub Security Advisory contains more information about vulnerable URL paths, mitigation, and the disclosure timeline.

Affected Version(s)

grafana >= 8.0.0, < 8.0.7 < 8.0.0, 8.0.7

grafana >= 8.1.0, < 8.1.8 < 8.1.0, 8.1.8

grafana >= 8.2.0, < 8.2.7 < 8.2.0, 8.2.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Grafana-CVE-2021-43798
Created by jas502n

grafanaExp
Created by A-D-Team

exploit-grafana-CVE-2021-43798
Created by pedrohavay

References

https://github.com/grafana/grafana/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/grafana/grafana/commit/c798c0e958d15d9...
x_refsource_MISC
http://packetstormsecurity.com/files/165198/Grafana-Arbit...
x_refsource_MISC

EPSS Score

97% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.