Remote Command Execution Vulnerability in PowerCMS by PowerCMS
CVE-2021-20850

9.8CRITICAL

Key Information:

Vendor

Alfasado Inc.

Status
Powercms Xmlrpc Api
Vendor
CVE Published:
24 November 2021

What is CVE-2021-20850?

The PowerCMS XMLRPC API allows remote attackers to execute arbitrary operating system commands. This vulnerability affects multiple versions of PowerCMS, exposing systems to potential unauthorized access and manipulation through unspecified vectors, emphasizing the critical need for patching and securing applications.

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Deploy the Patch

Affected Version(s)

PowerCMS XMLRPC API PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, PowerCMS 2 Series (End-of-Life, EOL)

References

https://www.powercms.jp/news/release-patch-xmlrpc-api-202...
x_refsource_MISC
https://jvn.jp/en/jp/JVN17645965/index.html
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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