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CVE-2021-20850

nvd nist
Published: Nov 24, 2021Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

Description

PowerCMS XMLRPC API of PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, and PowerCMS 2 Series (End-of-Life, EOL) allows a remote attacker to execute an arbitrary OS command via unspecified vectors.

Affected (4)

Products: Alfasado: Powercms
Alfasado
1 product
Powercms
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Alfasado
Powercms
From 2.0 to 2.058
Powercms
From 3.01 to 3.295
Powercms
From 4.0 to 4.49
Powercms
From 5.0 to 5.19

Related CWEs

CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (4)

Source: vultures@jpcert.or.jp
Third Party Advisory
Source: vultures@jpcert.or.jp
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.