All vulnerabilities

Servers 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
Weakness
CWE-264
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

SoftwareAffected 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