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CVE-2021-30640

Auth weakness in JNDIRealm

Published: Jul 12, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDUCWE-116
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
9.9%
Top 5.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-116

Affected Products

Apache TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
org.apache.tomcat:tomcatMavenOSS Libraries
Red Hat JBoss FuseRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Jboss Web ServerRed Hat Inc.
On-premWeb App
Web & CMS Plugins
OpenShift Application RuntimesRed Hat Inc.
MixedSaaS Service
Cloud & SaaS / cloud-platform
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
mavenpackage-ecosystemOSS Libraries
red hat inc.commercialUSOperating Systemsaka red hat
and 13 more affected products View all →

Exploitability

Official Patch Available

References

https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3E
lists.apache.org
https://www.oracle.com//security-alerts/cpujul2021.html
oracle.com
https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html
lists.debian.org
and 17 more references View all →

Timeline

Published
Jul 12, 2021
Last Updated
Nov 21, 2024

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