01 Record

CVE-2009-0580

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

UnratedPUBLISHEDCNA: redhat

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 94.44% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 99.8% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2009-06-05 15:25Z17 YR AGO

Last updated

2024-08-07 04:40Z2 YR AGO

Reserved

2009-02-13

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

8cf325bdec77a38d1c37a422c7d87735be5c0b27e26d1ded999776976d15bd93

05 Affected products

VendorProductVersionsPlatforms

apachetomcatNot specified—

redhatcertificate_systemNot specified—

redhatenterprise_linuxNot specified—

redhatjboss_enterprise_application_platformNot specified—

redhatjboss_enterprise_web_serverNot specified—

redhatnetwork_satelliteNot specified—

redhatrhel_application_serverNot specified—

redhatrhel_developer_suiteNot specified—

06 References

oval.cisecurity.orgoval:org.mitre.oval:def:9101https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9101vdb-entrysignaturex_refsource_OVAL
tomcat.apache.orghttp://tomcat.apache.org/security-4.htmlx_refsource_CONFIRM
oval.cisecurity.orgoval:org.mitre.oval:def:18915https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18915vdb-entrysignaturex_refsource_OVAL
marc.infoHPSBMA02535http://marc.info/?l=bugtraq&m=127420533226623&w=2vendor-advisoryx_refsource_HP
secunia.com35326http://secunia.com/advisories/35326third-party-advisoryx_refsource_SECUNIA
www.mandriva.comMDVSA-2009:138http://www.mandriva.com/security/advisories?name=MDVSA-2009:138vendor-advisoryx_refsource_MANDRIVA
www.redhat.comFEDORA-2009-11356https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01246.htmlvendor-advisoryx_refsource_FEDORA
www.debian.orgDSA-2207http://www.debian.org/security/2011/dsa-2207vendor-advisoryx_refsource_DEBIAN
www.securityfocus.com35196http://www.securityfocus.com/bid/35196vdb-entryx_refsource_BID
secunia.com35344http://secunia.com/advisories/35344third-party-advisoryx_refsource_SECUNIA
marc.infoHPSBUX02860http://marc.info/?l=bugtraq&m=136485229118404&w=2vendor-advisoryx_refsource_HP
secunia.com37460http://secunia.com/advisories/37460third-party-advisoryx_refsource_SECUNIA
www.vupen.comADV-2010-3056http://www.vupen.com/english/advisories/2010/3056vdb-entryx_refsource_VUPEN
www.vmware.comhttp://www.vmware.com/security/advisories/VMSA-2009-0016.htmlx_refsource_CONFIRM
secunia.com35788http://secunia.com/advisories/35788third-party-advisoryx_refsource_SECUNIA
www.securityfocus.com20090605 [SECURITY] CVE-2009-0580 UPDATED Apache Tomcat User enumeration vulnerability with FORM authenticationhttp://www.securityfocus.com/archive/1/504125/100/0/threadedmailing-listx_refsource_BUGTRAQ
svn.apache.orghttp://svn.apache.org/viewvc?rev=747840&view=revx_refsource_CONFIRM
www.securityfocus.com20090603 [SECURITY] CVE-2009-0580 Apache Tomcat User enumeration vulnerability with FORM authenticationhttp://www.securityfocus.com/archive/1/504045/100/0/threadedmailing-listx_refsource_BUGTRAQ
lists.apple.comAPPLE-SA-2010-03-29-1http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlvendor-advisoryx_refsource_APPLE
www.vupen.comADV-2009-1496http://www.vupen.com/english/advisories/2009/1496vdb-entryx_refsource_VUPEN
marc.infoHPSBOV02762http://marc.info/?l=bugtraq&m=133469267822771&w=2vendor-advisoryx_refsource_HP
www.securityfocus.com20090604 Re: [SECURITY] CVE-2009-0580 Apache Tomcat User enumeration vulnerability with FORM authenticationhttp://www.securityfocus.com/archive/1/504108/100/0/threadedmailing-listx_refsource_BUGTRAQ
svn.apache.orghttp://svn.apache.org/viewvc?rev=781382&view=revx_refsource_CONFIRM
oval.cisecurity.orgoval:org.mitre.oval:def:6628https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6628vdb-entrysignaturex_refsource_OVAL
www.vupen.comADV-2009-1856http://www.vupen.com/english/advisories/2009/1856vdb-entryx_refsource_VUPEN
securitytracker.com1022332http://securitytracker.com/id?1022332vdb-entryx_refsource_SECTRACK
www.mandriva.comMDVSA-2010:176http://www.mandriva.com/security/advisories?name=MDVSA-2010:176vendor-advisoryx_refsource_MANDRIVA
www.securityfocus.com20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party componentshttp://www.securityfocus.com/archive/1/507985/100/0/threadedmailing-listx_refsource_BUGTRAQ
secunia.com42368http://secunia.com/advisories/42368third-party-advisoryx_refsource_SECUNIA
tomcat.apache.orghttp://tomcat.apache.org/security-6.htmlx_refsource_CONFIRM
support.apple.comhttp://support.apple.com/kb/HT4077x_refsource_CONFIRM
www.redhat.comFEDORA-2009-11374https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01156.htmlvendor-advisoryx_refsource_FEDORA
secunia.com35685http://secunia.com/advisories/35685third-party-advisoryx_refsource_SECUNIA
www.redhat.comFEDORA-2009-11352https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01216.htmlvendor-advisoryx_refsource_FEDORA
tomcat.apache.orghttp://tomcat.apache.org/security-5.htmlx_refsource_CONFIRM
lists.opensuse.orgSUSE-SR:2009:012http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlvendor-advisoryx_refsource_SUSE
marc.infoHPSBUX02579http://marc.info/?l=bugtraq&m=129070310906557&w=2vendor-advisoryx_refsource_HP
exchange.xforce.ibmcloud.comtomcat-jsecuritycheck-info-disclosure(50930)https://exchange.xforce.ibmcloud.com/vulnerabilities/50930vdb-entryx_refsource_XF
svn.apache.orghttp://svn.apache.org/viewvc?rev=781379&view=revx_refsource_CONFIRM
www.mandriva.comMDVSA-2009:136http://www.mandriva.com/security/advisories?name=MDVSA-2009:136vendor-advisoryx_refsource_MANDRIVA
sunsolve.sun.com263529http://sunsolve.sun.com/search/document.do?assetkey=1-26-263529-1vendor-advisoryx_refsource_SUNALERT
www.vupen.comADV-2009-3316http://www.vupen.com/english/advisories/2009/3316vdb-entryx_refsource_VUPEN
lists.apache.org[tomcat-dev] 20190319 svn commit: r1855831 [21/30] - in /tomcat/site/trunk: ./ docs/ xdocs/https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
lists.apache.org[tomcat-dev] 20190319 svn commit: r1855831 [22/30] - in /tomcat/site/trunk: ./ docs/ xdocs/https://lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
lists.apache.org[tomcat-dev] 20190325 svn commit: r1856174 [19/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
lists.apache.org[tomcat-dev] 20190325 svn commit: r1856174 [20/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/https://lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
lists.apache.org[tomcat-dev] 20200203 svn commit: r1873527 [22/30] - /tomcat/site/trunk/docs/https://lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
lists.apache.org[tomcat-dev] 20200213 svn commit: r1873980 [24/34] - /tomcat/site/trunk/docs/https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST
lists.apache.org[tomcat-dev] 20200213 svn commit: r1873980 [25/34] - /tomcat/site/trunk/docs/https://lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf%40%3Cdev.tomcat.apache.org%3Emailing-listx_refsource_MLIST