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Vulnerability record · CVE-2020-36911 · published 13 January 2026

CVE-2020-36911: Cobbr covenant hard-coded credentials vulnerability

CCobbr · Covenant

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.

9.3 CVSS 4.0 Critical EPSS 12% · top 4.0% CWE-798 · Hard-coded credentials
9.3CVSS 4.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References, 3 tagged exploit
17 Jun 2026Last modified by NVD

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.

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/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cobbr.io/Covenant.html Broken Link
https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb Product
https://github.com/cobbr/Covenant Product
https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344 Issue Tracking
https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters ExploitThird Party Advisory
https://www.exploit-db.com/exploits/51141 Exploit
https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce Third Party Advisory
https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb Product
https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-36911), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.