CVE-2020-36911

critical

Description

Covenant 0.1.3 - 0.5 contains a remote code execution vulnerability that allows attackers to craft malicious JWT tokens with administrative privileges. Attackers can generate forged tokens with admin roles and upload custom DLL payloads to execute arbitrary commands on the target system.

References

https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce

https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344

https://github.com/cobbr/Covenant

https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb

Details

Source: Mitre, NVD

Published: 2026-01-13

Updated: 2026-01-29

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.00524