Improper input validation in Apache Struts
CVE-2016-4461
Apache Struts 2.x before 2.3.29 allows remote attackers to execute arbitrary code via a "%{}" sequence in a tag attribute, aka forced double OGNL evaluation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0785.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.081 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.081 · newest: 0.081 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/91277 (VDB Entry, Third Party Advisory, vdb-entry)
- struts.apache.org/docs/s2-036.html (Mitigation, Vendor Advisory)
- security.netapp.com/advisory/ntap-20180629-0004/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4461?
- CVE-2016-4461 is a high-severity vulnerability in Apache Struts, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2017-10-16.
- How severe is CVE-2016-4461?
- High severity. CVSS v3 base score is 8.8 out of 10.