All vulnerabilitiesServers and applications
CVE-2011-3190 Certain AJP protocol connector implementations in Apache Tomcat 7.0.0 through 7.0.20, 6.0.0 through 6.0.33, 5.5.0 through 5.5.33, and possibly other versions allow remote attackers to spoof AJP requests, bypass authentication, and obtain sensitive information by causing the connector to interpret a request body as a new request.
Severity High 7.5
Published 31 Aug 2011
Last changed 16 Jun 2026
Added to UpHeron 21 Oct 2026 Exploit chance 15% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST , 12 Nov 2026
Attack Over the network · No login needed
Attacker can Read some data · Change some data · Slow it down
CVSS vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources NVD Affected software Software Affected versions Apache TomcatServers and applications · cpe:a:apache:tomcat Version 7.0.20 Version 7.0.19 Version 7.0.17 Version 7.0.16 All 84 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 5.5.29 Version 5.5.30 Version 5.5.31 Version 5.5.32 Version 5.5.33 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 Version 6.0.24 Version 6.0.26 Version 6.0.27 Version 6.0.28 Version 6.0.29 Version 6.0.30 Version 6.0.31 Version 6.0.32 Version 6.0.33 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 7.0.16 Version 7.0.17 Version 7.0.19 Version 7.0.20
References NVD https://nvd.nist.gov/vuln/detail/CVE-2011-3190 CVE.org https://www.cve.org/CVERecord?id=CVE-2011-3190