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CVE-2017-5647

33
FAUCET Score

CVE-2017-5647 is a high-severity vulnerability affecting Apache Tomcat versions 9.0.0.M1-M18, 8.5.0-8.5.12, 8.0.0.RC1-8.0.42, 7.0.0-7.0.76, and 6.0.0-6.0.52. This bug in pipelined request handling, when send file is used, can lead to responses being incorrectly associated with requests, potentially exposing sensitive information (CWE-200). With a CVSS score of 7.5 (High), this network-exploitable vulnerability requires low attack complexity and could result in high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it has received some community and media attention.

Impacted Technologies

VendorProductVersion(s)CPE
6.0.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*
6.0.1CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*
6.0.2CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*
6.0.3CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:*
6.0.4CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
16.84%
Probability of exploitation in next 30 days
EPSS Percentile
96.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1684 is in the 95th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (31)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 7.0.77
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 9.0.0.M19
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 6.0.53
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 8.0.43
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 8.5.13
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat7-0:7.0.54-25_patch_05.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: tomcat6-0:6.0.41-17_patch_04.ep6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: tomcat7-0:7.0.54-25_patch_05.ep6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 2.1Fixed in: tomcat6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 2.1Fixed in: tomcat7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: log4j-eap6-0:1.2.16-12.redhat_3.1.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat7-0:7.0.70-22.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat8-0:8.0.36-24.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat-native-0:1.2.8-10.redhat_10.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: log4j-eap6-0:1.2.16-12.redhat_3.1.ep6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat7-0:7.0.70-22.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat8-0:8.0.36-24.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat-native-0:1.2.8-10.redhat_10.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: tomcat6-0:6.0.24-111.el6_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: tomcat-0:7.0.76-3.el7_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat6-0:6.0.41-17_patch_04.ep6.el6
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat JBoss Fuse 6Fixed in: jbossweb
redhatno patchvia redhat_api
Product: Red Hat JBoss Web Server 3Fixed in: tomcat7
redhatno patchvia redhat_api
Product: Red Hat JBoss Web Server 3Fixed in: tomcat8
redhatno patchvia redhat_api
Product: Red Hat Fuse 7Fixed in: CXF
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse Service Works 6Fixed in: jbossweb
redhatend of lifevia redhat_api
Product: Red Hat JBoss BRMS 5Fixed in: jbossweb
redhatend of lifevia redhat_api
Product: Red Hat JBoss SOA Platform 5Fixed in: jbossweb

Vendor Advisories (2)

mavenGHSA-3gv7-3h64-78cmhigh

Exposure of Sensitive Information to an Unauthorized Actor in Apache Tomcat

May 14, 2022
redhatCVE-2017-5647Important

tomcat: Incorrect handling of pipelined requests when send file was used

Apr 10, 2017

References

access.redhat.com / errata/RHSA-2017:1801
access.redhat.com / errata/RHSA-2017:1802
access.redhat.com / errata/RHSA-2017:2493
access.redhat.com / errata/RHSA-2017:2494
access.redhat.com / errata/RHSA-2017:3080
access.redhat.com / errata/RHSA-2017:3081
h20566.www2.hpe.com / hpsc/doc/public/display
lists.apache.org / thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/5796678c5a773c6f3ff57c178ac247d85ceca0dee9190ba48171451a%40%3Cusers.tomcat.apache.org%3E
lists.apache.org / thread.html/5c0e00fd31efc11e147bf99d0f03c00a734447d3b131ab0818644cdb%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
security.gentoo.org / glsa/201705-09
security.netapp.com / advisory/ntap-20180614-0001
oracle.com / technetwork/security-advisory/cpujul2019-5072835.html
arubanetworks.com / assets/alert/HPESBHF03730.txt
debian.org / security/2017/dsa-3842
debian.org / security/2017/dsa-3843
oracle.com / technetwork/security-advisory/cpujul2017-3236622.html
securitytracker.com / id/1038218