CVE-2016-6816

high Apache
CVSS v3 Base Score
7.1
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score
2.9%
Exploitation probability in 30 days
Top 13% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Published: March 20, 2017 (3342 days ago)
Last Modified: May 13, 2026
Vendor: Apache
Source: NVD

Description

The code in Apache Tomcat 9.0.0.M1 to 9.0.0.M11, 8.5.0 to 8.5.6, 8.0.0.RC1 to 8.0.38, 7.0.0 to 7.0.72, and 6.0.0 to 6.0.47 that parsed the HTTP request line permitted invalid characters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack and/or obtain sensitive information from requests other then their own.

CWE

CWE-20

Affected Products

apache tomcat

References

🔗 rhn.redhat.com 🔗 rhn.redhat.com 🔗 rhn.redhat.com 🔗 rhn.redhat.com 🔗 rhn.redhat.com