UpHeron
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Servers and applications

CVE-2011-3376

org/apache/catalina/core/DefaultInstanceManager.java in Apache Tomcat 7.x before 7.0.22 does not properly restrict ContainerServlets in the Manager application, which allows local users to gain privileges by using an untrusted web application to access the Manager application's functionality.

Severity
Medium 4.4
Published
11 Nov 2011
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
0.6% in the next 30 daysHigher than 51% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Needs local access · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:L/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • Version 7.0.21
  • Version 7.0.20
  • Version 7.0.19
  • Version 7.0.18
All 23 release lines
  • Version 7.0.0-beta
  • Version 7.0.0
  • Version 7.0.1
  • Version 7.0.2
  • Version 7.0.3
  • Version 7.0.4
  • Version 7.0.5
  • Version 7.0.6
  • Version 7.0.7
  • Version 7.0.8
  • Version 7.0.9
  • Version 7.0.10
  • Version 7.0.11
  • Version 7.0.12
  • Version 7.0.13
  • Version 7.0.14
  • Version 7.0.15
  • Version 7.0.16
  • Version 7.0.17
  • Version 7.0.18
  • Version 7.0.19
  • Version 7.0.20
  • Version 7.0.21

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-3376
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-3376