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CVE-2017-5647 Apache Tomcat

Affected softwareApache Tomcat
Severity7.5 High CVSS 3.0 2 scores
Fixed in9.0.0.M19, 8.5.13, 8.0.43, 7.0.77, 6.0.53
WeaknessInformation exposure (CWE-200)
Published17 Apr 2017
Updated2 Nov 2026

Description

A bug in the handling of the pipelined requests in Apache Tomcat 9.0.0.M1 to 9.0.0.M18, 8.5.0 to 8.5.12, 8.0.0.RC1 to 8.0.42, 7.0.0 to 7.0.76, and 6.0.0 to 6.0.52, when send file was used, results in the pipelined request being lost when send file processing of the previous request completed. This could result in responses appearing to be sent for the wrong request. For example, a user agent that sent requests A, B and C could see the correct response for request A, the response for request C for request B and no response for request C.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 9 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 17% chance in 30 days A model's forecast, not a report of exploitation. Higher than 97% of all scored CVEs.

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists: apache/tomcat 864aa11.

  • Protection none
  • Action unverified
  • Review automated Upstream data
  • Record active
Decided by Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all
Finding This CVE is not listed in CISA KEV or VulnCheck KEV, CISA Vulnrichment records no active exploitation, no reviewed exploit catalogue carries an entry for it, and no GitHub PoC repository for it has 5 or more stars. Nobody has published exploit code worth tracing, so it is not a candidate for a rule ahead of the ones where somebody has; an upstream fix path does exist, so the remediation half of the candidacy still holds. This is a statement about what has been published, not about whether the defect is reachable or serious.

CVSS

7.5 HIGH v3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.0 7.5 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N NVD Primary published
CVSS 2.0 5.0 none AV:N/AC:L/Au:N/C:P/I:N/A:N NVD Primary

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update July 2017 ↗ CPU 2017-Q3 Oracle MySQL / Monitoring: Server (Apache Tomcat) (3.3.3.1199 and earlier)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle MySQL Monitoring: Server (Apache Tomcat) 3.3.3.1199 and earlier

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.apache.tomcat:tomcat 9.0.0.M1 9.0.0.M19 unbounded
org.apache.tomcat:tomcat 8.5.0 8.5.13 unbounded
org.apache.tomcat:tomcat 8.0.0 8.0.43 unbounded
org.apache.tomcat:tomcat 7.0.0 7.0.77 unbounded
org.apache.tomcat:tomcat 6.0.0 6.0.53 unbounded

Products and versions

2 products, 210 version entries
SourceVendorProductSchemeAffected versions
nvd apache tomcat generic 6.0.0 · 6.0.1 · 6.0.2 · 6.0.3 · 6.0.4 · 6.0.5 · 6.0.6 · 6.0.7 · 6.0.8 · 6.0.9 · 6.0.10 · 6.0.11 · 6.0.12 · 6.0.13 · 6.0.14 · 6.0.15 · 6.0.16 · 6.0.17 · 6.0.18 · 6.0.19 · 6.0.20 · 6.0.21 · 6.0.22 · 6.0.23 · 6.0.24 · 6.0.25 · 6.0.26 · 6.0.27 · 6.0.28 · 6.0.29 · 6.0.30 · 6.0.31 · 6.0.32 · 6.0.33 · 6.0.34 · 6.0.35 · 6.0.36 · 6.0.37 · 6.0.38 · 6.0.39 · 6.0.40 · 6.0.41 · 6.0.42 · 6.0.43 · 6.0.44 · 6.0.45 · 6.0.46 · 6.0.47 · 6.0.48 · 6.0.49 · 6.0.50 · 6.0.51 · 6.0.52 · 7.0.0 · 7.0.1 · 7.0.2 · 7.0.3 · 7.0.4 · 7.0.5 · 7.0.6 · 7.0.7 · 7.0.8 · 7.0.9 · 7.0.10 · 7.0.11 · 7.0.12 · 7.0.13 · 7.0.14 · 7.0.15 · 7.0.16 · 7.0.17 · 7.0.18 · 7.0.19 · 7.0.20 · 7.0.21 · 7.0.22 · 7.0.23 · 7.0.24 · 7.0.25 · 7.0.26 · 7.0.27 · 7.0.28 · 7.0.29 · 7.0.30 · 7.0.31 · 7.0.32 · 7.0.33 · 7.0.34 · 7.0.35 · 7.0.36 · 7.0.37 · 7.0.38 · 7.0.39 · 7.0.40 · 7.0.41 · 7.0.42 · 7.0.43 · 7.0.44 · 7.0.45 · 7.0.46 · 7.0.47 · 7.0.48 · 7.0.49 · 7.0.50 · 7.0.51 · 7.0.52 · 7.0.53 · 7.0.54 · 7.0.55 · 7.0.56 · 7.0.57 · 7.0.58 · 7.0.59 · 7.0.60 · 7.0.61 · 7.0.62 · 7.0.63 · 7.0.64 · 7.0.65 · 7.0.66 · 7.0.67 · 7.0.68 · 7.0.69 · 7.0.70 · 7.0.71 · 7.0.72 · 7.0.73 · 7.0.74 · 7.0.75 · 7.0.76 · 8.0.0 · 8.0.0:rc1 · 8.0.1 · 8.0.2 · 8.0.3 · 8.0.4 · 8.0.5 · 8.0.6 · 8.0.7 · 8.0.8 · 8.0.9 · 8.0.10 · 8.0.11 · 8.0.12 · 8.0.13 · 8.0.14 · 8.0.15 · 8.0.16 · 8.0.17 · 8.0.18 · 8.0.19 · 8.0.20 · 8.0.21 · 8.0.22 · 8.0.23 · 8.0.24 · 8.0.25 · 8.0.26 · 8.0.27 · 8.0.28 · 8.0.29 · 8.0.30 · 8.0.31 · 8.0.32 · 8.0.33 · 8.0.34 · 8.0.35 · 8.0.36 · 8.0.37 · 8.0.38 · 8.0.39 · 8.0.40 · 8.0.41 · 8.0.42 · 8.5.0 · 8.5.1 · 8.5.2 · 8.5.3 · 8.5.4 · 8.5.5 · 8.5.6 · 8.5.7 · 8.5.8 · 8.5.9 · 8.5.10 · 8.5.11 · 8.5.12 · 9.0.0:milestone1 · 9.0.0:milestone10 · 9.0.0:milestone11 · 9.0.0:milestone12 · 9.0.0:milestone13 · 9.0.0:milestone14 · 9.0.0:milestone15 · 9.0.0:milestone16 · 9.0.0:milestone17 · 9.0.0:milestone18 · 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
osv org.apache.tomcat tomcat generic ≥ 6.0.0 and < 6.0.53 · ≥ 7.0.0 and < 7.0.77 · ≥ 8.0.0 and < 8.0.43 · ≥ 8.5.0 and < 8.5.13 · ≥ 9.0.0 and < 9.0.0

References

URLTags
https://github.com/apache/tomcat/commit/864aa1199ad2cccc9a7e7c6b977f7d7f812c9910 WEB
https://github.com/apache/tomcat/commit/a4efd3ca1ccbdfc398136d76c0d8b7ad5a1e4905 WEB
https://github.com/apache/tomcat/commit/f5e06b8c743b1daa9eb5e817863958b6b320e044 WEB
https://github.com/apache/tomcat80/commit/ec10b8c785d1db91fe58946436f854dde04410fd WEB
https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c@%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04@%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb@%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E WEB

Timeline

Published2017-04-17By the CVE Program.
NVD record modified2026-11-02NVD's own last-modified date for this record.