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…

Description

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.

Scores

EPSS (exploitation in 30 days)

94.4% · top 0.1% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a
• CWE-200 (opens in a new tab)All about CWE-200 and its CVEs

Affected products

• n/a

  • affected n/a

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Mavenorg.apache.tomcat:tomcatGHSA-w227-xcfx-3pj8 (opens in a new tab)

References (49)

• oval:org.mitre.oval:def:9101 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://tomcat.apache.org/security-4.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:18915 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• HPSBMA02535 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 35326 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDVSA-2009:138 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• FEDORA-2009-11356 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• DSA-2207 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 35196 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 35344 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• HPSBUX02860 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 37460 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2010-3056 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://www.vmware.com/security/advisories/VMSA-2009-0016.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 35788 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20090605 [SECURITY] CVE-2009-0580 UPDATED Apache Tomcat User enumeration vulnerability with FORM authentication (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://svn.apache.org/viewvc?rev=747840&view=rev (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20090603 [SECURITY] CVE-2009-0580 Apache Tomcat User enumeration vulnerability with FORM authentication (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• APPLE-SA-2010-03-29-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• ADV-2009-1496 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• HPSBOV02762 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 20090604 Re: [SECURITY] CVE-2009-0580 Apache Tomcat User enumeration vulnerability with FORM authentication (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://svn.apache.org/viewvc?rev=781382&view=rev (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:6628 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• ADV-2009-1856 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 1022332 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• MDVSA-2010:176 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 42368 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://tomcat.apache.org/security-6.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://support.apple.com/kb/HT4077 (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2009-11374 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 35685 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2009-11352 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• http://tomcat.apache.org/security-5.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SR:2009:012 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• HPSBUX02579 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• tomcat-jsecuritycheck-info-disclosure(50930) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://svn.apache.org/viewvc?rev=781379&view=rev (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2009:136 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 263529 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• ADV-2009-3316 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• [tomcat-dev] 20190319 svn commit: r1855831 [21/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20190319 svn commit: r1855831 [22/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20190325 svn commit: r1856174 [19/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20190325 svn commit: r1856174 [20/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20200203 svn commit: r1873527 [22/30] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20200213 svn commit: r1873980 [24/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20200213 svn commit: r1873980 [25/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-w227-xcfx-3pj8 (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-0580](https://trackcve.app/badge/CVE-2009-0580.svg)](https://trackcve.app/cve/CVE-2009-0580)

Record last updated 7 Aug 2024, 04:40 UTC.