Vulnerability in Apache Software Foundation Struts

CVE-2017-9791

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.

EPSS: 0.941 (99.9th percentile) — read the EPSS interpretation.

Affected products

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-9791?
CVE-2017-9791 is a vulnerability in Apache Software Foundation Struts. Published 2017-07-10.
Is CVE-2017-9791 known to be exploited?
Yes. CVE-2017-9791 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), indicating it is being actively exploited. 55 public proof-of-concept repositories are indexed.