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CVE-2016-0762 Apache Tomcat

Affected softwareApache Tomcat
Severity5.9 Medium CVSS 3.1 2 scores
Fixed in9.0.0.M10, 8.5.5, 8.0.37, 7.0.72, 6.0.46
WeaknessCWE-203
Published10 Aug 2017
Updated8 Oct 2026

Description

The Realm implementations in Apache Tomcat versions 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 did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder.

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 8.0% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

5.9 MEDIUM v3.1 CVSS:3.1/AV:N/AC:H/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 3.1 5.9 MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N NVD Primary published
CVSS 2.0 4.3 none AV:N/AC:M/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 2021 ↗ CPU 2021-Q3 Oracle Communications / Provisioning (Apache Tomcat) (8.0.0-8.5.0)
Oracle Critical Patch Update April 2017 ↗ CPU 2017-Q2 Oracle Virtualization / Application Server (Apache Tomcat) (4.71, 5.2, 5.3)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Communications Provisioning (Apache Tomcat) 8.0.0-8.5.0
Oracle Virtualization Application Server (Apache Tomcat) 4.71, 5.2, 5.3 4.71 · 5.2 · 5.3

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.apache.tomcat:tomcat 9.0.0M1 9.0.0.M10 unbounded
org.apache.tomcat:tomcat 8.5.0 8.5.5 unbounded
org.apache.tomcat:tomcat 8.0.0.RC1 8.0.37 unbounded
org.apache.tomcat:tomcat 7.0.0 7.0.72 unbounded
org.apache.tomcat:tomcat 6.0.0 6.0.46 unbounded

Products and versions

16 products, 38 version entries
SourceVendorProductSchemeAffected versions
nvd apache tomcat generic ≥ 6.0.0 and ≤ 6.0.45 · ≥ 7.0.0 and ≤ 7.0.70 · ≥ 8.0 and ≤ 8.0.36 · ≥ 8.5.0 and ≤ 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
nvd canonical ubuntu linux generic 16.04
nvd debian debian linux generic 8.0
nvd netapp oncommand insight generic any version
nvd netapp oncommand shift generic any version
nvd netapp snap creator framework generic any version
nvd oracle communications diameter signaling router generic ≥ 8.0.0 and ≤ 8.5.0
nvd oracle tekelec platform distribution generic ≥ 7.4.0 and ≤ 7.7.1
osv org.apache.tomcat tomcat generic ≥ 6.0.0 and < 6.0.46 · ≥ 7.0.0 and < 7.0.72 · ≥ 8.0.0 and < 8.0.37 · ≥ 8.5.0 and < 8.5.5 · ≥ 9.0.0.1 and < 9.0.0
nvd redhat enterprise linux desktop generic 7.0
nvd redhat enterprise linux eus generic 7.4 · 7.5 · 7.6 · 7.7
nvd redhat enterprise linux server generic 7.0
nvd redhat enterprise linux server aus generic 7.4 · 7.6 · 7.7
nvd redhat enterprise linux server tus generic 7.6 · 7.7
nvd redhat enterprise linux workstation generic 7.0
nvd redhat jboss enterprise web server generic 3.0.0

Earlier manual review

A reviewer classified this CVE in an older dataset. We kept the labels and products below, but not the reviewer's reasoning.

## Manual Classification Context **Labels:** HTTP, APPLICATION SERVER (APACHE TOMCAT), NO AUTH REMOTE EXPLOIT, PROVISIONING (APACHE TOMCAT) **Products:** ORACLE VIRTUALIZATION, ORACLE COMMUNICATIONS DIAMETER SIGNALING ROUTER (DSR), TOMCAT, SECURE GLOBAL DESKTOP, ORACLE COMMUNICATIONS

References

URLTags
https://github.com/apache/tomcat/commit/86b2e436099cb48f30dad950175c5beeeb763756 WEB
https://github.com/apache/tomcat/commit/970e615c7ade6ec6c341470bbc76aa1256353737 WEB
https://github.com/apache/tomcat/commit/d79c63d424fe6b225678416343b9ce106dec947c WEB
https://github.com/apache/tomcat80/commit/dc4c3317452f0bc2c5e1f6a08d3bd9f22488b450 WEB
https://access.redhat.com/errata/RHSA-2017:0455 WEB
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc@%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95@%3Cdev.tomcat.apache.org%3E WEB
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E WEB

Timeline

Published2017-08-10By the CVE Program.
NVD record modified2026-10-08NVD's own last-modified date for this record.