Vulnerability in Apache Tomcat
CVE-2012-3546
org/apache/catalina/realm/RealmBase.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.30, when FORM authentication is used, allows remote attackers to bypass security-constraint checks by leveraging a previous setUserPrincipal call and then placing /j_security_check at the end of a URI.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.120 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.120 · newest: 0.120 · change: 0.000
Affected products
- Apache Tomcat — versions 6.0, 6.0.0, 6.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (vendor-advisory)
- www.securitytracker.com/id (vdb-entry)
- www.ubuntu.com/usn/USN-1685-1 (vendor-advisory)
- www.securityfocus.com/bid/56812 (vdb-entry)
- lists.opensuse.org/opensuse-updates/2012-12/msg00089.html (vendor-advisory)
- svn.apache.org/viewvc
- svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/realm/Realm… (Patch)
- rhn.redhat.com/errata/RHSA-2013-0640.html (vendor-advisory)
- svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (Patch)
- rhn.redhat.com/errata/RHSA-2013-0163.html (vendor-advisory)
Frequently asked questions
- What is CVE-2012-3546?
- CVE-2012-3546 is a vulnerability in Apache Tomcat, classified under CWE-264. Published 2012-12-19.
- Is CVE-2012-3546 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.