CVE-2017-9791

Known Exploited Public Exploit

Description

The Struts 1 plugin in Apache Struts 2.1.x and 2.3.x might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.26% Top 5%
KEV Since 
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Struts
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2017-9791?
CVE-2017-9791 has been scored as a critical severity vulnerability.
How to fix CVE-2017-9791?
To fix CVE-2017-9791, 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-2017-9791 being actively exploited in the wild?
It is confirmed that CVE-2017-9791 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-9791?
CVE-2017-9791 affects Apache Software Foundation Apache Struts.
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