Improper input validation in Apache Struts
CVE-2016-8738
In Apache Struts 2.5 through 2.5.5, if an application allows entering a URL in a form field and the built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.033 (87.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- Apache Struts — versions 2.5, 2.5.1, 2.5.2
- Apache Software Foundation Struts — versions 2.5 - 2.5.5
Weakness classification (CWE)
References
- security.netapp.com/advisory/ntap-20180629-0003/
- www.securityfocus.com/bid/94657 (VDB Entry, Third Party Advisory, vdb-entry)
- struts.apache.org/docs/s2-044.html (Patch, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-8738?
- CVE-2016-8738 is a medium-severity vulnerability in Apache Struts, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2017-09-20.
- How severe is CVE-2016-8738?
- Medium severity. CVSS v3 base score is 5.9 out of 10.