Apache Tomcat 7.0.0 through 7.0.3, 6.0.x, and 5.5.x, when running within a SecurityManager, does not make the ServletContext attribute read-only, which allows local web applications to read or write files outside of the intended working directory, as demonstrated using a directory traversal attack.
Severity
Low 1.2
Published
10 Feb 2011
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
1.3% in the next 30 daysHigher than 70% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Needs local access · Only under certain conditions · No login needed
Attacker can
Change some data
CVSS vector
AV:L/AC:H/Au:N/C:N/I:P/A:N
Sources
NVD
Affected software
Software
Affected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat