Improper input validation in Apache Struts
CVE-2017-9804
In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.046 (89.5th percentile) — read the EPSS interpretation.
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.
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, 2.5 - 2.5.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security@apache.org (x_refsource_CISCO, vendor-advisory, Third Party Advisory)
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@apache.org (x_refsource_CONFIRM)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@apache.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-9804?
- CVE-2017-9804 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-2017-9804?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-9804 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.