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Vulnerability record · CVE-2016-6793 · published 17 July 2017

CVE-2016-6793: Apache wicket deserialization of untrusted data vulnerability

Apache · Wicket

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.

9.1 CVSS 3.0 Critical EPSS 8.5% · top 5.2% CWE-502 · Deserialization of untrusted data
9.1CVSS 3.0 base score, v2 6.4
8.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/12/31/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/archive/1/539975/100/0/threaded Mailing ListThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/95168 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037541 Third Party AdvisoryVDB Entry
https://wicket.apache.org/news/2016/12/31/cve-2016-6793.html Vendor Advisory
https://www.tenable.com/security/research/tra-2016-23 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/31/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/archive/1/539975/100/0/threaded Mailing ListThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/95168 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037541 Third Party AdvisoryVDB Entry
https://wicket.apache.org/news/2016/12/31/cve-2016-6793.html Vendor Advisory
https://www.tenable.com/security/research/tra-2016-23 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-6793), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.