Vulnerability in Apache Struts

CVE-2016-1181

ActionServlet.java in Apache Struts 1 1.x through 1.3.10 mishandles multithreaded access to an ActionForm instance, which allows remote attackers to execute arbitrary code or cause a denial of service (unexpected memory access) via a multipart request, a related issue to CVE-2015-0899.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.131 (96.2th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-1181: held from 0.131 to 0.131.

EPSS over last 30 days · oldest: 0.131 · newest: 0.131 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-1181?
CVE-2016-1181 is a high-severity vulnerability in Apache Struts. CVSS score: 8.1/10. Published 2016-07-04.
How severe is CVE-2016-1181?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2016-1181 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.