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CVE-2016-0762

Quick assessment

Affected

Apache Software Foundation Apache Tomcat

Exploitation

High exploitation probability; assess promptly

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Tomcat是美国阿帕奇（Apache）软件基金会下属的Jakarta项目的一款轻量级Web应用服务器，它主要用于开发和调试JSP程序，适用于中小型系统。 Apache Tomcat中存在信息泄露漏洞。攻击者可利用该漏洞获取有效的用户名。以下版本受到影响：Apache Tomcat 9.0.0.M1至9.0.0.M9版本，8.5.0至8.5.4版本，8.0.0.RC1至8.0.36版本，7.0.0至7.0.70版本，6.0.0至6.0.45版本。

AI Predicted 5.3 Difficulty: Moderate EPSS 7.99% · P95 Updated Oct 09, 2026

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

Affected Version Matrix 5

Vendor	Product	Version Range	Status
Apache Software Foundation	Apache Tomcat	`9.0.0.M1 to 9.0.0.M9`	affected
		`8.5.0 to 8.5.4`	affected
		`8.0.0.RC1 to 8.0.36`	affected
		`7.0.0 to 7.0.70`	affected
		`6.0.0 to 6.0.45`	affected

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I. Basic Information for CVE-2016-0762

Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

N/A

Source: CVE Program / CVE List V5

Vulnerability Title

Apache Tomcat 信息泄露漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Apache Software Foundation	Apache Tomcat	9.0.0.M1 to 9.0.0.M9	-

II. Public POCs for CVE-2016-0762

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2016-0762

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Vendor Advisories for CVE-2016-0762 (11)

https://security.netapp.com/advisory/ntap-20180605-0001/ x_refsource_CONFIRM
https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
https://www.oracle.com//security-alerts/cpujul2021.html x_refsource_MISC
http://www.securityfocus.com/bid/93939 vdb-entry x_refsource_BID
http://www.securitytracker.com/id/1037144 vdb-entry x_refsource_SECTRACK
http://www.debian.org/security/2016/dsa-3720 vendor-advisory x_refsource_DEBIAN
https://usn.ubuntu.com/4557-1/ vendor-advisory x_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2017-0457.html vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:0456 vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:0455 vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2247 vendor-advisory x_refsource_REDHAT

Mailing List Discussions for CVE-2016-0762 (12)

https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/1872f96bad43647832bdd84a408794cd06d9cbb557af63085ca10009%40%3Cannounce.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E mailing-list x_refsource_MLIST

https://www.cve.org/CVERecord?id=CVE-2016-0762

Same Patch Batch · Apache Software Foundation · 2017-08-10 · 9 CVEs total

CVE-2016-5018		Apache Tomcat 安全特征问题漏洞
CVE-2016-6794		Apache Tomcat 信息泄露漏洞
CVE-2016-6812		Apache CXF 跨站脚本漏洞
CVE-2016-8739		Apache CXF JAX-RS 安全漏洞
CVE-2017-3156		Apache CXF 信息泄露漏洞
CVE-2016-6797		Apache Tomcat 访问控制错误漏洞
CVE-2016-6817		Apache Tomcat 拒绝服务漏洞
CVE-2016-8745		Apache Tomcat 信息泄露漏洞

IV. Related Vulnerabilities

Same product: Apache Tomcat

Same vendor: Apache Software Foundation