CVE-2016-0762

medium Apache
CVSS v3 Base Score
5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.5%
Exploitation probability in 30 days
Top 34% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: August 10, 2017 (3199 days ago)
Last Modified: May 13, 2026
Vendor: Apache
Source: NVD

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.

CWE

CWE-203

Affected Products

apache tomcatcanonical ubuntu linuxdebian debian linuxredhat jboss enterprise web serverredhat enterprise linux desktopredhat enterprise linux eusredhat enterprise linux serverredhat enterprise linux server ausredhat enterprise linux server tusredhat enterprise linux workstation

References

🔗 rhn.redhat.com 🔗 www.debian.org 🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 access.redhat.com