HOMEVULNERABILITIESCVE-2016-6796
HIGH

CVE-2016-6796

NVD-CWE-noinfoPublished: August 11, 2017· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A malicious web application running on Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 was able to bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet.

NVD Source

Technical Analysis

CVE-2016-6796 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

Apache1 product(s)
tomcat
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
netapp3 product(s)
oncommand insightoncommand shiftsnap creator framework
Oracle1 product(s)
tekelec platform distribution
Red Hat8 product(s)
jboss enterprise application platformjboss enterprise web serverenterprise linux desktopenterprise linux eusenterprise linux serverenterprise linux server ausenterprise linux server tusenterprise linux workstation
Source: NVD CPE · 23 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpuoct2021.html
PATCHhttps://www.oracle.com/security-alerts/cpuoct2021.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2017-0457.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2017-1551.html
ADVISORYhttp://www.debian.org/security/2016/dsa-3720
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:0455
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:0456
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1548
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1549
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1550
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1552
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:2247
ADVISORYhttps://security.netapp.com/advisory/ntap-20180605-0001/
ADVISORYhttps://usn.ubuntu.com/4557-1/
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2017-0457.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2017-1551.html
ADVISORYhttp://www.debian.org/security/2016/dsa-3720
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:0455
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:0456
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1548
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1549
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1550
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1552
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:2247
ADVISORYhttps://security.netapp.com/advisory/ntap-20180605-0001/
ADVISORYhttps://usn.ubuntu.com/4557-1/

All References (62)

→
http://rhn.redhat.com/errata/RHSA-2017-0457.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2017-1551.htmlThird Party Advisory
→
http://www.debian.org/security/2016/dsa-3720Third Party Advisory
→
http://www.securityfocus.com/bid/93944Broken Link
→
http://www.securitytracker.com/id/1037141Broken Link
→
http://www.securitytracker.com/id/1038757Broken Link
→
https://access.redhat.com/errata/RHSA-2017:0455Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2017:0456Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2017:1548Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2017:1549Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2017:1550Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2017:1552Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2017:2247Third Party Advisory
→
https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E
→
https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E

Quick Facts

CVE IDCVE-2016-6796
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected6 vendor(s)
PublishedAug 11, 2017

Related CVEs (NVD-CWE-noinfo)

CVE-2015-3042
10.0
CVE-2008-5010
10.0
CVE-2017-3623
10.0
CVE-2014-2623
10.0
CVE-2015-5895
10.0
CVE-2008-0339
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-6796 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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