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CVE-2009-0781

22
FAUCET Score

CVE-2009-0781 describes a Cross-Site Scripting (XSS) vulnerability in the calendar application within the examples web application of Apache Tomcat versions 4.1.0-4.1.39, 5.5.0-5.5.27, and 6.0.0-6.0.18. This flaw, specifically in jsp/cal/cal2.jsp, allows remote attackers to inject arbitrary web script or HTML via the 'time' parameter. With a CVSS score of 4.3, this vulnerability has a medium attack complexity and requires no authentication, potentially leading to information disclosure or defacement. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:4.1.0:*:*:*:*:*:*:*
4.1.1CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:4.1.1:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:4.1.2:*:*:*:*:*:*:*
4.1.3CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:4.1.3:*:*:*:*:*:*:*
4.1.3CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:4.1.3:beta:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.13%
Probability of exploitation in next 30 days
EPSS Percentile
94.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0912 is in the 94th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 6.0.20
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: tomcat5-0:5.5.23-0jpp.7.el5_3.2
View patch
redhatpatch availablevia redhat_api
Product: RHAPS Version 2 for RHEL 4Fixed in: tomcat5-0:5.5.23-0jpp_4rh.16
View patch

Vendor Advisories (2)

mavenGHSA-j788-fx57-99wpmedium

Cross-site scripting in Apache Tomcat

May 2, 2022
redhatCVE-2009-0781Low

tomcat: XSS in Apache Tomcat calendar application

Mar 6, 2009

References

lists.apple.com / archives/security-announce/2010//Mar/msg00001.html
lists.opensuse.org / opensuse-security-announce/2009-07/msg00002.html
marc.info
marc.info
marc.info
marc.info
secunia.com / advisories/35685
secunia.com / advisories/35788
secunia.com / advisories/37460
secunia.com / advisories/42368
exchange.xforce.ibmcloud.com / vulnerabilities/49213
lists.apache.org / thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11041
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19345
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6564
sunsolve.sun.com / search/document.do
support.apple.com / kb/HT4077
redhat.com / archives/fedora-package-announce/2009-November/msg01156.html
redhat.com / archives/fedora-package-announce/2009-November/msg01216.html
redhat.com / archives/fedora-package-announce/2009-November/msg01246.html
tomcat.apache.org / security-4.html
Vendor Advisory
tomcat.apache.org / security-5.html
Vendor Advisory
tomcat.apache.org / security-6.html
Vendor Advisory
debian.org / security/2011/dsa-2207
mandriva.com / security/advisories
mandriva.com / security/advisories
securityfocus.com / archive/1/501538/100/0/threaded
securityfocus.com / archive/1/507985/100/0/threaded
vmware.com / security/advisories/VMSA-2009-0016.html
vupen.com / english/advisories/2009/1856
vupen.com / english/advisories/2009/3316
vupen.com / english/advisories/2010/3056