Vulnerability Details : CVE-2009-0580

Public exploit exists!
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.
Published 2009-06-05 16:00:00
Updated 2025-04-09 00:30:58
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2009-0580

Threat overview for CVE-2009-0580

Top countries where our scanners detected CVE-2009-0580
Top open port discovered on systems with this issue 80
IPs affected by CVE-2009-0580 11,520
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-0580!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-0580

EPSS FAQ
91.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2009-0580

  • Apache Tomcat User Enumeration
    First seen: 2020-04-26
    auxiliary/scanner/http/tomcat_enum
    This module enumerates Apache Tomcat's usernames via malformed requests to j_security_check, which can be found in the web administration package. It should work against Tomcat servers 4.1.0 - 4.1.39, 5.5.0 - 5.5.27, and 6.0.0 - 6.0.18. Newer versions no longer hav

CVSS scores for CVE-2009-0580

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
 NIST

CWE ids for CVE-2009-0580

References for CVE-2009-0580

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