CVE-2021-20850

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.16% Top 25%
Vendor Advisory powercms.jp
Affected: Alfasado Inc. PowerCMS XMLRPC API
Published at:
Updated at:

References

Link Tags
https://www.powercms.jp/news/release-patch-xmlrpc-api-202110.html patch vendor advisory
https://jvn.jp/en/jp/JVN17645965/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20850?
CVE-2021-20850 has been scored as a critical severity vulnerability.
How to fix CVE-2021-20850?
To fix CVE-2021-20850, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20850 being actively exploited in the wild?
It is possible that CVE-2021-20850 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20850?
CVE-2021-20850 affects Alfasado Inc. PowerCMS XMLRPC API.
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