CVE-2009-0580
Apache Tomcat <6.0.18 - Info Disclosure
Title source: llmDescription
Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when FORM authentication is used, allows remote attackers to enumerate valid usernames via requests to /j_security_check with malformed URL encoding of passwords, related to improper error checking in the (1) MemoryRealm, (2) DataSourceRealm, and (3) JDBCRealm authentication realms, as demonstrated by a % (percent) value for the j_password parameter.
Exploits (2)
exploitdb
WRITEUP
VERIFIED
by D. Matscheko · textremotemultiple
https://www.exploit-db.com/exploits/33023
References (49)
... and 29 more
Scores
EPSS
0.8817
EPSS Percentile
99.5%
Details
CWE
CWE-200
Status
published
Products (48)
apache/tomcat
4.1.0
apache/tomcat
4.1.1
apache/tomcat
4.1.2
apache/tomcat
4.1.3 (2 CPE variants)
apache/tomcat
4.1.4
apache/tomcat
4.1.5
apache/tomcat
4.1.6
apache/tomcat
4.1.7
apache/tomcat
4.1.8
apache/tomcat
4.1.9 (2 CPE variants)
... and 38 more
Published
Jun 05, 2009
Tracked Since
Feb 18, 2026