CVE-2020-36911 (GCVE-0-2020-36911)
Vulnerability from cvelistv5
Published
2026-01-13 22:51
Modified
2026-05-14 02:06
Severity ?
9.3 (Critical) - 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
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VLAI Severity ?
EPSS score ?
CWE
- CWE-798 - Use of Hard-coded Credentials
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
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2020-36911",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-14T15:55:27.044236Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-01-14T19:22:04.508Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb"
},
{
"tags": [
"exploit"
],
"url": "https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Covenant",
"vendor": "Cobbr",
"versions": [
{
"lessThanOrEqual": "0.5",
"status": "affected",
"version": "0.1.3",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cobbr:covenant:*:*:*:*:*:*:*:*",
"versionEndIncluding": "0.5",
"versionStartIncluding": "0.1.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "coastal"
}
],
"datePublic": "2022-09-11T00:00:00.000Z",
"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."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"exploitMaturity": "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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"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"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-798",
"description": "Use of Hard-coded Credentials",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-14T02:06:38.510Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "ExploitDB-51141",
"tags": [
"exploit"
],
"url": "https://www.exploit-db.com/exploits/51141"
},
{
"name": "Vendor Homepage",
"tags": [
"product"
],
"url": "https://cobbr.io/Covenant.html"
},
{
"name": "Covenant GitHub Repository",
"tags": [
"product"
],
"url": "https://github.com/cobbr/Covenant"
},
{
"name": "Archived Researcher Blog",
"tags": [
"technical-description",
"exploit"
],
"url": "https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters"
},
{
"name": "Exploit Repository",
"tags": [
"exploit"
],
"url": "https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb"
},
{
"name": "Archived Maintainer Patch Announcement",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344"
},
{
"name": "VulnCheck Advisory: Covenant 0.5 - Remote Code Execution (RCE)",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce"
}
],
"title": "Covenant 0.5 - Remote Code Execution (RCE)",
"x_generator": {
"engine": "vulncheck"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2020-36911",
"datePublished": "2026-01-13T22:51:37.380Z",
"dateReserved": "2026-01-03T14:10:13.300Z",
"dateUpdated": "2026-05-14T02:06:38.510Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-36911\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T15:55:27.044236Z\"}}}], \"references\": [{\"url\": \"https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb\", \"tags\": [\"exploit\"]}, {\"url\": \"https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T15:55:32.272Z\"}}], \"cna\": {\"title\": \"Covenant 0.5 - Remote Code Execution (RCE)\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"coastal\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 9.3, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"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\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Cobbr\", \"product\": \"Covenant\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.1.3\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"0.5\"}]}], \"datePublic\": \"2022-09-11T00:00:00.000Z\", \"references\": [{\"url\": \"https://www.exploit-db.com/exploits/51141\", \"name\": \"ExploitDB-51141\", \"tags\": [\"exploit\"]}, {\"url\": \"https://cobbr.io/Covenant.html\", \"name\": \"Vendor Homepage\", \"tags\": [\"product\"]}, {\"url\": \"https://github.com/cobbr/Covenant\", \"name\": \"Covenant GitHub Repository\", \"tags\": [\"product\"]}, {\"url\": \"https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters\", \"name\": \"Archived Researcher Blog\", \"tags\": [\"technical-description\", \"exploit\"]}, {\"url\": \"https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb\", \"name\": \"Exploit Repository\", \"tags\": [\"exploit\"]}, {\"url\": \"https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344\", \"name\": \"Archived Maintainer Patch Announcement\", \"tags\": [\"vendor-advisory\", \"patch\"]}, {\"url\": \"https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce\", \"name\": \"VulnCheck Advisory: Covenant 0.5 - Remote Code Execution (RCE)\", \"tags\": [\"third-party-advisory\"]}], \"x_generator\": {\"engine\": \"vulncheck\"}, \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-798\", \"description\": \"Use of Hard-coded Credentials\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:cobbr:covenant:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"0.5\", \"versionStartIncluding\": \"0.1.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"shortName\": \"VulnCheck\", \"dateUpdated\": \"2026-05-14T02:06:38.510Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2020-36911\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-14T02:06:38.510Z\", \"dateReserved\": \"2026-01-03T14:10:13.300Z\", \"assignerOrgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"datePublished\": \"2026-01-13T22:51:37.380Z\", \"assignerShortName\": \"VulnCheck\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…