Path Traversal in Apache Struts

CVE-2016-6795

In the Convention plugin in Apache Struts 2.3.x before 2.3.31, and 2.5.x before 2.5.5, it is possible to prepare a special URL which will be used for path traversal and execution of arbitrary code on server side.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.047 (89.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-6795?
CVE-2016-6795 is a critical-severity vulnerability in Apache Struts, classified under Path Traversal. CVSS score: 9.8/10. Published 2017-09-20.
How severe is CVE-2016-6795?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-6795 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.