CVE-2021-43798

high

Description

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.

References

https://github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47p

https://github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545ce

http://packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.html

https://grafana.com/blog/2021/12/08/an-update-on-0day-cve-2021-43798-grafana-directory-traversal/

http://packetstormsecurity.com/files/165221/Grafana-8.3.0-Directory-Traversal-Arbitrary-File-Read.html

http://www.openwall.com/lists/oss-security/2021/12/09/2

http://www.openwall.com/lists/oss-security/2021/12/10/4

https://security.netapp.com/advisory/ntap-20211229-0004/

Details

Source: MITRE

Published: 2021-12-07

Updated: 2022-04-12

Type: CWE-22

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH