Auth bypass in Apache Tomcat
CVE-2013-2067
java/org/apache/catalina/authenticator/FormAuthenticator.java in the form authentication feature in Apache Tomcat 6.0.21 through 6.0.36 and 7.x before 7.0.33 does not properly handle the relationships between authentication requirements and sessions, which allows remote attackers to inject a request into a session by sending this request during completion of the login form, a variant of a session fixation attack.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.071 (94.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.071 · newest: 0.071 · change: 0.000
Affected products
- Apache Tomcat — versions 6.0.21, 6.0.24, 6.0.26
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2013-0839.html (vendor-advisory)
- svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/catalina/authenticat… (Patch)
- rhn.redhat.com/errata/RHSA-2013-0964.html (vendor-advisory)
- svn.apache.org/viewvc (Patch)
- svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/authenticat… (Patch)
- tomcat.apache.org/security-7.html (Vendor Advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- rhn.redhat.com/errata/RHSA-2013-0833.html (vendor-advisory)
- svn.apache.org/viewvc (Patch)
- rhn.redhat.com/errata/RHSA-2013-1437.html (vendor-advisory)
Frequently asked questions
- What is CVE-2013-2067?
- CVE-2013-2067 is a vulnerability in Apache Tomcat, classified under Improper Authentication. Published 2013-06-01.
- Is CVE-2013-2067 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.