CVE-2020-36911
9.8
CRITICAL · CVSS 3.1 · EPSS 12.1% (pctl 96)
Patch early
EPSS 12.1% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 12.07% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-798 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-01-13 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| cobbr | covenant |
References
- https://cobbr.io/Covenant.html
- https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
- https://github.com/cobbr/Covenant
- https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344
- https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters
- https://www.exploit-db.com/exploits/51141
- https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce
- https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
- https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters
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