7.5

CVE-2016-6796: apache software foundation apache tomcat

Modified
AliasesUBUNTU-CVE-2016-6796GHSA-3mjp-p938-4329
Published 11-08-2017Last modified 08-10-2026

Vulnerability summary

CVE-2016-6796 is a high (CVSS 7.5) vulnerability in apache software foundation apache tomcat. EPSS estimates a 8.32% chance of exploitation in the next 30 days, higher than 94.9% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 8% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
8.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 6
DLA-728-1DLA-729-1DSA-3720-1DSA-3721-1MGASA-2016-0367RHSA-2017:0455

Timeline

  1. 11-08-2017
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

8.32%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

No change 0.00 pp

From 8.32% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat8 products
Netapp3 products
Ubuntu3 products
  • tomcat6All versions (No fix recorded) | < 6.0.45+dfsg-1ubuntu0.1
  • tomcat7< 7.0.52-1ubuntu0.8 | < 7.0.68-1ubuntu0.3
  • tomcat8< 8.0.32-1ubuntu1.3
Apache1 product
  • tomcat≥ 6.0.0, ≤ 6.0.45 | ≥ 7.0.0, ≤ 7.0.70 | ≥ 8.0, ≤ 8.0.36 | ≥ 8.5.0, ≤ 8.5.4 | 9.0.0:milestone1 | 9.0.0:milestone2 | 9.0.0:milestone3 | 9.0.0:milestone4 | 9.0.0:milestone5 | 9.0.0:milestone6 | 9.0.0:milestone7 | 9.0.0:milestone8 | 9.0.0:milestone9
Apache software foundation1 product
  • apache tomcat9.0.0.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 | 6.0.0 to 6.0.45
Canonical1 product
Debian1 product
Oracle1 product
Org.apache.tomcat1 product
  • tomcat≥ 9.0.0.M1, < 9.0.0.M10 | ≥ 8.5.0, < 8.5.5 | ≥ 8.0.0.RC1, < 8.0.37 | ≥ 7.0.0, < 7.0.71 | ≥ 6.0.0, < 6.0.46

9 vendors · 20 products

References

62 links
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