CVE-2011-4858

Apache Tomcat before 5.5.35, 6.x before 6.0.35, and 7.x before 7.0.23 computes hash values for form parameters without restricting the ability to trigger hash…

published January 5, 2012

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.6th percentile for exploit probability.

CVSS
—
EPSS
80%
Percentile
99.6
In the wild
Unconfirmed
What it is

Apache Tomcat before 5.5.35, 6.x before 6.0.35, and 7.x before 7.0.23 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.79713 · 99.6th percentile
Published
2012-01-05T19:00Z
EPSS history
Timeline
  • 05 JAN 19:00Z
    Apache Tomcat before 5.5.35, 6.x before 6.0.35, and 7.x before 7.0.23 computes hash values for form parameters without restricting the ability to trigger hash…
    cvelistv5