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CVE-2011-1183

23
FAUCET Score

CVE-2011-1183 describes a security bypass vulnerability in Apache Tomcat 7.0.11. When the web.xml configuration lacks a login setup, remote attackers can circumvent access restrictions to web applications by sending HTTP requests. This medium-severity vulnerability has a CVSS score of 5.8, indicating it can be exploited remotely with moderate complexity to achieve partial confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0.11CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.16%
Probability of exploitation in next 30 days
EPSS Percentile
92.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0616 is in the 91st percentile among its peer group of 19,955 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 (1)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 7.0.12

Vendor Advisories (2)

mavenGHSA-p26v-97vp-jcx6medium

Access controll bypass in Apache Tomcat

May 14, 2022
redhatCVE-2011-1183Moderate

tomcat: various flaws due not following ServletSecurity annotations

Mar 2, 2011

References

seclists.org / fulldisclosure/2011/Apr/96
securityreason.com / securityalert/8187
exchange.xforce.ibmcloud.com / vulnerabilities/66675
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12701
svn.apache.org / viewvc
Patch
tomcat.apache.org / security-7.html
securityfocus.com / archive/1/517362/100/0/threaded
securityfocus.com / bid/47196