FKIE_CVE-2020-36911

Vulnerability from fkie_nvd - Published: 2026-01-13 23:15 - Updated: 2026-01-14 20:15
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
References
disclosure@vulncheck.comhttps://cobbr.io/Covenant.html
disclosure@vulncheck.comhttps://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
disclosure@vulncheck.comhttps://github.com/cobbr/Covenant
disclosure@vulncheck.comhttps://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344
disclosure@vulncheck.comhttps://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters
disclosure@vulncheck.comhttps://www.exploit-db.com/exploits/51141
disclosure@vulncheck.comhttps://www.vulncheck.com/advisories/covenant-remote-code-execution-rce
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
134c704f-9b21-4f2e-91b3-4a467353bcc0https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "id": "CVE-2020-36911",
  "lastModified": "2026-01-14T20:15:51.050",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.3,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-13T23:15:48.437",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://cobbr.io/Covenant.html"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/cobbr/Covenant"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.exploit-db.com/exploits/51141"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}


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