Improper input validation in Apache Struts
CVE-2017-9793
The REST Plugin in Apache Struts 2.1.x, 2.3.7 through 2.3.33 and 2.5 through 2.5.12 is using an outdated XStream library which is vulnerable and allow perform a DoS attack using malicious request with specially crafted XML payload.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.088 (95.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.088 · newest: 0.088 · change: 0.000
Affected products
- Apache Struts — versions 2.3.7, 2.3.8, 2.3.9
- Apache Software Foundation Struts — versions 2.3.7 - 2.3.33, 2.1.x series, 2.5 - 2.5.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html (Patch, Third Party Advisory)
- www.securitytracker.com/id/1039262 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907… (vendor-advisory, Third Party Advisory)
- www.brocade.com/content/dam/common/documents/content-types/security-bulletin/br… (Third Party Advisory)
- security.netapp.com/advisory/ntap-20180629-0001/
- struts.apache.org/docs/s2-051.html (Patch, Vendor Advisory)
- www.securityfocus.com/bid/100611 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-9793?
- CVE-2017-9793 is a high-severity vulnerability in Apache Struts, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-09-20.
- How severe is CVE-2017-9793?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-9793 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.