---
id: CVE-2017-12616
title: >-
  When using a VirtualDirContext with Apache Tomcat 7.0.0 to 7.0.80 it was
  possible to bypass security constraints and/or view the source code of JSPs
  for resources served by the VirtualDirContext using a specially crafted
  request.
summary: >-
  When using a VirtualDirContext with Apache Tomcat 7.0.0 to 7.0.80 it was
  possible to bypass security constraints and/or view the source code of JSPs
  for resources served by the VirtualDirContext using a specially crafted
  request.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-200
vendor: apache
product: tomcat
affected:
  - tomcat = 7.0.0
  - tomcat = 7.0.1
  - tomcat = 7.0.2
  - tomcat = 7.0.3
  - tomcat = 7.0.4
  - tomcat = 7.0.5
  - tomcat = 7.0.6
  - tomcat = 7.0.7
  - tomcat = 7.0.8
  - tomcat = 7.0.9
  - tomcat = 7.0.10
  - tomcat = 7.0.11
  - tomcat = 7.0.12
  - tomcat = 7.0.13
  - tomcat = 7.0.14
  - tomcat = 7.0.15
  - tomcat = 7.0.16
  - tomcat = 7.0.17
  - tomcat = 7.0.18
  - tomcat = 7.0.19
  - tomcat = 7.0.20
  - tomcat = 7.0.21
  - tomcat = 7.0.22
  - tomcat = 7.0.23
  - tomcat = 7.0.24
  - tomcat = 7.0.25
  - tomcat = 7.0.26
  - tomcat = 7.0.27
  - tomcat = 7.0.28
  - tomcat = 7.0.29
  - tomcat = 7.0.30
  - tomcat = 7.0.31
  - tomcat = 7.0.32
  - tomcat = 7.0.33
  - tomcat = 7.0.34
  - tomcat = 7.0.35
  - tomcat = 7.0.36
  - tomcat = 7.0.37
  - tomcat = 7.0.38
  - tomcat = 7.0.39
  - tomcat = 7.0.40
  - tomcat = 7.0.41
  - tomcat = 7.0.42
  - tomcat = 7.0.43
  - tomcat = 7.0.44
  - tomcat = 7.0.45
  - tomcat = 7.0.46
  - tomcat = 7.0.47
  - tomcat = 7.0.48
  - tomcat = 7.0.49
  - tomcat = 7.0.50
  - tomcat = 7.0.51
  - tomcat = 7.0.54
  - tomcat = 7.0.55
  - tomcat = 7.0.56
  - tomcat = 7.0.57
  - tomcat = 7.0.58
  - tomcat = 7.0.59
  - tomcat = 7.0.60
  - tomcat = 7.0.61
  - tomcat = 7.0.62
  - tomcat = 7.0.63
  - tomcat = 7.0.64
  - tomcat = 7.0.65
  - tomcat = 7.0.66
  - tomcat = 7.0.67
  - tomcat = 7.0.68
  - tomcat = 7.0.69
  - tomcat = 7.0.70
  - tomcat = 7.0.71
  - tomcat = 7.0.72
  - tomcat = 7.0.73
  - tomcat = 7.0.74
  - tomcat = 7.0.75
  - tomcat = 7.0.76
  - tomcat = 7.0.77
  - tomcat = 7.0.79
  - tomcat = 7.0.80
published: '2017-09-19'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T16:17:26.987'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2017-12616'
references:
  - url: 'http://www.securityfocus.com/bid/100897'
    label: security@apache.org
  - url: 'http://www.securitytracker.com/id/1039393'
    label: security@apache.org
  - url: 'https://access.redhat.com/errata/RHSA-2018:0465'
    label: security@apache.org
  - url: 'https://access.redhat.com/errata/RHSA-2018:0466'
    label: security@apache.org
  - url: >-
      https://lists.apache.org/thread.html/1df9b4552464caa42047062fe7175da0da06c18ecc8daf99258bbda6%40%3Cannounce.tomcat.apache.org%3E
    label: security@apache.org
  - url: >-
      https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E
    label: security@apache.org
  - url: >-
      https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E
    label: security@apache.org
  - url: >-
      https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E
    label: security@apache.org
  - url: >-
      https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
    label: security@apache.org
  - url: 'https://lists.debian.org/debian-lts-announce/2018/06/msg00008.html'
    label: security@apache.org
  - url: 'https://security.netapp.com/advisory/ntap-20171018-0001/'
    label: security@apache.org
  - url: >-
      https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03828en_us
    label: security@apache.org
  - url: 'https://usn.ubuntu.com/3665-1/'
    label: security@apache.org
  - url: 'https://www.synology.com/support/security/Synology_SA_17_54_Tomcat'
    label: security@apache.org
  - url: 'http://www.securityfocus.com/bid/100897'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securitytracker.com/id/1039393'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2018:0465'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2018:0466'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.apache.org/thread.html/1df9b4552464caa42047062fe7175da0da06c18ecc8daf99258bbda6%40%3Cannounce.tomcat.apache.org%3E
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2018/06/msg00008.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20171018-0001/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03828en_us
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://usn.ubuntu.com/3665-1/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.synology.com/support/security/Synology_SA_17_54_Tomcat'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
epss: 0.70118
epssPercentile: 0.99373
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-15T15:52:18.470177Z'
ingestedAt: '2026-10-15T16:13:10.894Z'
---

## Overview

When using a VirtualDirContext with Apache Tomcat 7.0.0 to 7.0.80 it was possible to bypass security constraints and/or view the source code of JSPs for resources served by the VirtualDirContext using a specially crafted request.

## Affected

- `tomcat = 7.0.0`
- `tomcat = 7.0.1`
- `tomcat = 7.0.2`
- `tomcat = 7.0.3`
- `tomcat = 7.0.4`
- `tomcat = 7.0.5`
- `tomcat = 7.0.6`
- `tomcat = 7.0.7`
- `tomcat = 7.0.8`
- `tomcat = 7.0.9`
- `tomcat = 7.0.10`
- `tomcat = 7.0.11`
- `tomcat = 7.0.12`
- `tomcat = 7.0.13`
- `tomcat = 7.0.14`
- `tomcat = 7.0.15`
- `tomcat = 7.0.16`
- `tomcat = 7.0.17`
- `tomcat = 7.0.18`
- `tomcat = 7.0.19`
- `tomcat = 7.0.20`
- `tomcat = 7.0.21`
- `tomcat = 7.0.22`
- `tomcat = 7.0.23`
- `tomcat = 7.0.24`
- `tomcat = 7.0.25`
- `tomcat = 7.0.26`
- `tomcat = 7.0.27`
- `tomcat = 7.0.28`
- `tomcat = 7.0.29`
- `tomcat = 7.0.30`
- `tomcat = 7.0.31`
- `tomcat = 7.0.32`
- `tomcat = 7.0.33`
- `tomcat = 7.0.34`
- `tomcat = 7.0.35`
- `tomcat = 7.0.36`
- `tomcat = 7.0.37`
- `tomcat = 7.0.38`
- `tomcat = 7.0.39`
- `tomcat = 7.0.40`
- `tomcat = 7.0.41`
- `tomcat = 7.0.42`
- `tomcat = 7.0.43`
- `tomcat = 7.0.44`
- `tomcat = 7.0.45`
- `tomcat = 7.0.46`
- `tomcat = 7.0.47`
- `tomcat = 7.0.48`
- `tomcat = 7.0.49`
- `tomcat = 7.0.50`
- `tomcat = 7.0.51`
- `tomcat = 7.0.54`
- `tomcat = 7.0.55`
- `tomcat = 7.0.56`
- `tomcat = 7.0.57`
- `tomcat = 7.0.58`
- `tomcat = 7.0.59`
- `tomcat = 7.0.60`
- `tomcat = 7.0.61`
- `tomcat = 7.0.62`
- `tomcat = 7.0.63`
- `tomcat = 7.0.64`
- `tomcat = 7.0.65`
- `tomcat = 7.0.66`
- `tomcat = 7.0.67`
- `tomcat = 7.0.68`
- `tomcat = 7.0.69`
- `tomcat = 7.0.70`
- `tomcat = 7.0.71`
- `tomcat = 7.0.72`
- `tomcat = 7.0.73`
- `tomcat = 7.0.74`
- `tomcat = 7.0.75`
- `tomcat = 7.0.76`
- `tomcat = 7.0.77`
- `tomcat = 7.0.79`
- `tomcat = 7.0.80`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.