Vulnerability in Apache Tomcat
CVE-2016-6796
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.083 (94.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.083 · newest: 0.083 · change: 0.000
Affected products
- Apache Tomcat — versions 9.0.0
- Apache Software Foundation Tomcat — versions 6.0.0 to 6.0.45, 8.5.0 to 8.5.4, 7.0.0 to 7.0.70
- NetApp Oncommand Insight
- NetApp Oncommand Shift
- NetApp Snap Creator Framework
- Oracle Tekelec Platform Distribution — versions 7.4.0, 7.7.1
- Canonical Ubuntu Linux — versions 16.04
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Eus — versions 7.4, 7.5, 7.6
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2017:1548 (vendor-advisory, Third Party Advisory)
- lists.apache.org/thread.html/5a2105a56b2495ab70fa568f06925bd861f0d71ffab4fb38bb… (mailing-list)
- access.redhat.com/errata/RHSA-2017:1549 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/93944 (vdb-entry, Broken Link)
- access.redhat.com/errata/RHSA-2017:1552 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1038757 (vdb-entry, Broken Link)
- www.securitytracker.com/id/1037141 (vdb-entry, Broken Link)
- access.redhat.com/errata/RHSA-2017:2247 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-1551.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0457.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-6796?
- CVE-2016-6796 is a high-severity vulnerability in Apache Tomcat. CVSS score: 7.5/10. Published 2017-08-11.
- How severe is CVE-2016-6796?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-6796 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.