UpHeron
All vulnerabilities

Servers and applications

CVE-2009-2901

The autodeployment process in Apache Tomcat 5.5.0 through 5.5.28 and 6.0.0 through 6.0.20, when autoDeploy is enabled, deploys appBase files that remain from a failed undeploy, which might allow remote attackers to bypass intended authentication requirements via HTTP requests.

Severity
Medium 4.3
Published
28 Jan 2010
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
8.1% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • Version 6.0.20
  • Version 6.0.19
  • Version 6.0.18
  • Version 6.0.17
All 50 release lines
  • Version 5.5.0
  • Version 5.5.1
  • Version 5.5.2
  • Version 5.5.3
  • Version 5.5.4
  • Version 5.5.5
  • Version 5.5.6
  • Version 5.5.7
  • Version 5.5.8
  • Version 5.5.9
  • Version 5.5.10
  • Version 5.5.11
  • Version 5.5.12
  • Version 5.5.13
  • Version 5.5.14
  • Version 5.5.15
  • Version 5.5.16
  • Version 5.5.17
  • Version 5.5.18
  • Version 5.5.19
  • Version 5.5.20
  • Version 5.5.21
  • Version 5.5.22
  • Version 5.5.23
  • Version 5.5.24
  • Version 5.5.25
  • Version 5.5.26
  • Version 5.5.27
  • Version 5.5.28
  • Version 6.0
  • Version 6.0.1
  • Version 6.0.2
  • Version 6.0.3
  • Version 6.0.4
  • Version 6.0.5
  • Version 6.0.6
  • Version 6.0.7
  • Version 6.0.8
  • Version 6.0.9
  • Version 6.0.10
  • Version 6.0.11
  • Version 6.0.12
  • Version 6.0.13
  • Version 6.0.14
  • Version 6.0.15
  • Version 6.0.16
  • Version 6.0.17
  • Version 6.0.18
  • Version 6.0.19
  • Version 6.0.20

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-2901
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-2901