CVE-2021-20837
🗓️ 26 Oct 2021 05:15:12Reported by jpcertType 
cve🔗 web.nvd.nist.gov📰️ 10 Media mentions👁 175 Views🌐 WEB
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Node
OR
[
{
"product": "Movable Type",
"vendor": "Six Apart Ltd.",
"versions": [
{
"status": "affected",
"version": "Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| base64 payload in XMLRPC request | request body | /cgi-bin/mt/mt-xmlrpc.cgi | Movable Type XMLRPC API remote command injection via mt-xmlrpc.cgi using mt.handler_to_coderef to execute arbitrary OS commands. | CWE-78 |
| XML-RPC parameter for mt.handler_to_coderef | request body | /cgi-bin/mt/mt-xmlrpc.cgi | Movable Type XMLRPC API remote command injection via mt-xmlrpc.cgi using mt.handler_to_coderef to execute arbitrary OS commands. | CWE-78 |
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Data
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17 Jun 2026 03:34Current
9.6Critical risk
Vulners AI Score9.6
CVSS 27.5
CVSS 3.19.8
EPSS0.88144