CVE-2020-36911

Covenant 0.5 - Remote Code Execution (RCE)

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.

Affected

Cobbr · Covenant

CVSS v4.0 VULNCHECK

9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULNCHECK

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

12.33% chance of exploitation in the next 30 days, 96th percentile

Published

2026-01-13

Updated

2026-05-14

Proof-of-concept exploits (3)

• https://www.exploit-db.com/exploits/51141
• https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters
• Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb0★ · 2020-12-15

Security advisories

• https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce
• cobbr/Covenant
• https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367…

References

• CVE Record
• NVD entry

Related

• CVE-2021-40444