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 delete files with the permissions of DiskFileItem, and if running on a Java VM…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 8.46% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- apache/wicket
- Source
- cve@mitre.org
EPSS 8.5% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2016/12/31/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/archive/1/539975/100/0/threadedMailing List, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/95168Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037541Third Party Advisory, VDB Entry
- https://wicket.apache.org/news/2016/12/31/cve-2016-6793.htmlVendor Advisory
- https://www.tenable.com/security/research/tra-2016-23Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/31/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/archive/1/539975/100/0/threadedMailing List, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/95168Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037541Third Party Advisory, VDB Entry
- https://wicket.apache.org/news/2016/12/31/cve-2016-6793.htmlVendor Advisory
- https://www.tenable.com/security/research/tra-2016-23Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.