CVE-2020-36911 in the critical feed json
Covenant 0.5 - Remote Code Execution (RCE)
published 9mo ago modified 4mo ago also EUVD-2026-2654
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.3%
- EPSS 12.3% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 9mo ago
Exploit prediction
12.33% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/51141 referenced PoC, tagged "exploit" by a source, unverified
- web.archive.org https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | 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 |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.3 | 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:X/V:X/RE:X/U:X |
Affected products
- Cobbr Covenant
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
web.archive.org
/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344
vendor-advisory, patch, issue-tracking
-
exploit-db.com
/exploits/51141
exploit
-
web.archive.org
/web/20201101052547/https://blog.null.farm/hunting-the-hunters
technical-description, exploit, third-party-advisory
-
github.com
/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
exploit, product
-
cobbr.io
/Covenant.html
product, broken-link
-
github.com
/cobbr/Covenant
product
-
vulncheck.com
/advisories/covenant-remote-code-execution-rce
third-party-advisory
Sources
- CVE List CVE-2020-36911
- NVD CVE-2020-36911
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