Critical severity · published Jul 17, 2017
CVE-2016-6793
The DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows remote attackers to cause a denial of service (infinite loop) and write to, move, and…
9.1
CVSS
8.5%
EPSS
No
On KEV
Description
The DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows remote attackers to cause a denial of service (infinite loop) and write to, move, and delete files with the permissions of DiskFileItem, and if running on a Java VM before 1.3.1, execute arbitrary code via a crafted serialized Java object.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.5% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wicket · Apache
1.5.0 before 1.5.17; 6.0.0 before 6.25.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6793
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6793
Mailing List
http://www.openwall.com/lists/oss-security/2016/12/31/1
Mailing List
http://www.securityfocus.com/archive/1/539975/100/0/threaded
Third Party Advisory
http://www.securityfocus.com/bid/95168
Third Party Advisory
http://www.securitytracker.com/id/1037541
Vendor Advisory
https://wicket.apache.org/news/2016/12/31/cve-2016-6793.html
Third Party Advisory
https://www.tenable.com/security/research/tra-2016-23
More from Wicket
9.8
CVE-2024-36522
The default configuration of XSLTResourceStream.java is vulnerable to remote code execution via XSLT injection when processing input from an untrusted source without validation
9.1
CVE-2026-40010
Apache Wicket: possible session fixation using AuthenticatedWebSession
8.8
CVE-2016-6806
Apache Wicket 6.x before 6.25.0, 7.x before 7.5.0, and 8.0.0-M1 provide a CSRF prevention measure that fails to discover some cross origin requests
7.5
CVE-2026-71257
Apache Wicket: Configured file upload limits are not enforced when the multipart request has already been parsed
7.5
CVE-2026-43646
Apache Wicket: crafted URLs can bypass PackageResourceGuard