216 lines
8.7 KiB
JSON
216 lines
8.7 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2021-48016",
|
|
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "VulnCheck",
|
|
"dateReserved": "2026-10-14T20:25:29.144Z",
|
|
"datePublished": "2026-10-22T10:57:31.176Z",
|
|
"dateUpdated": "2026-10-29T02:06:05.908Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
|
|
"shortName": "VulnCheck",
|
|
"dateUpdated": "2026-10-22T10:57:31.176Z"
|
|
},
|
|
"datePublic": "2021-09-30T00:00:00.000Z",
|
|
"title": "DedeCMS 5.8.1-beta Unauthenticated RCE via plus/flink.php",
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "DedeCMS through 5.8.1-beta contains a PHP code injection vulnerability in ShowMsg() where the HTTP Referer header is written into a DedeTemplate string and included. Unauthenticated attackers can send a crafted Referer to /plus/flink.php?dopost=save with an empty validate code to execute arbitrary PHP and system commands. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14."
|
|
}
|
|
],
|
|
"tags": [
|
|
"x_known-exploited-vulnerability",
|
|
"unsupported-when-assigned"
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"description": "Improper Control of Generation of Code ('Code Injection')",
|
|
"cweId": "CWE-94",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"defaultStatus": "unknown",
|
|
"vendor": "DedeCMS",
|
|
"product": "DedeCMS",
|
|
"versions": [
|
|
{
|
|
"status": "affected",
|
|
"version": "0",
|
|
"versionType": "custom",
|
|
"lessThanOrEqual": "5.8.1-beta"
|
|
}
|
|
],
|
|
"repo": "https://github.com/dedecms/DedeCMS",
|
|
"packageURL": "pkg:github/dedecms/DedeCMS"
|
|
}
|
|
],
|
|
"cpeApplicability": [
|
|
{
|
|
"nodes": [
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*",
|
|
"versionEndIncluding": "5.8.1-beta"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
],
|
|
"cvssV4_0": {
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"attackRequirements": "NONE",
|
|
"privilegesRequired": "NONE",
|
|
"userInteraction": "NONE",
|
|
"vulnConfidentialityImpact": "HIGH",
|
|
"subConfidentialityImpact": "NONE",
|
|
"vulnIntegrityImpact": "HIGH",
|
|
"subIntegrityImpact": "NONE",
|
|
"vulnAvailabilityImpact": "HIGH",
|
|
"subAvailabilityImpact": "NONE",
|
|
"exploitMaturity": "NOT_DEFINED",
|
|
"Safety": "NOT_DEFINED",
|
|
"Automatable": "NOT_DEFINED",
|
|
"Recovery": "NOT_DEFINED",
|
|
"valueDensity": "NOT_DEFINED",
|
|
"vulnerabilityResponseEffort": "NOT_DEFINED",
|
|
"providerUrgency": "NOT_DEFINED",
|
|
"version": "4.0",
|
|
"baseSeverity": "CRITICAL",
|
|
"baseScore": 9.3,
|
|
"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"
|
|
}
|
|
},
|
|
{
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
],
|
|
"cvssV3_1": {
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"privilegesRequired": "NONE",
|
|
"userInteraction": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"confidentialityImpact": "HIGH",
|
|
"integrityImpact": "HIGH",
|
|
"availabilityImpact": "HIGH",
|
|
"version": "3.1",
|
|
"baseSeverity": "CRITICAL",
|
|
"baseScore": 9.8,
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
|
|
}
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://srcincite.io/blog/2021/09/30/chasing-a-dream-pwning-the-biggest-cms-in-china.html",
|
|
"name": "Source Incite Blog",
|
|
"tags": [
|
|
"technical-description",
|
|
"exploit"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://github.com/dedecms/DedeCMS/blob/v5.8.1/include/common.func.php",
|
|
"name": "DedeCMS v5.8.1 common.func.php ShowMsg",
|
|
"tags": [
|
|
"technical-description"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/dedecms/dedecms-rce.yaml",
|
|
"name": "Nuclei Template",
|
|
"tags": [
|
|
"technical-description"
|
|
]
|
|
},
|
|
{
|
|
"name": "VulnCheck Advisory: DedeCMS 5.8.1-beta Unauthenticated RCE via plus/flink.php",
|
|
"tags": [
|
|
"third-party-advisory"
|
|
],
|
|
"url": "https://www.vulncheck.com/advisories/dedecms-5.8.1-beta-unauthenticated-rce-via-plus-flink-php"
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "The Shadowserver Foundation",
|
|
"type": "reporter"
|
|
}
|
|
],
|
|
"source": {
|
|
"discovery": "UNKNOWN"
|
|
},
|
|
"x_generator": {
|
|
"engine": "vulncheck-kclub"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-10-29T02:05:53.563309Z",
|
|
"id": "CVE-2021-48016",
|
|
"options": [
|
|
{
|
|
"Exploitation": "poc"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-10-29T02:06:05.908Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |