UpHeron
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Servers and applications

CVE-2012-0193

IBM WebSphere Application Server (WAS) 6.0 through 6.0.2.43, 6.1 before 6.1.0.43, 7.0 before 7.0.0.23, and 8.0 before 8.0.0.3 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.

Severity
Medium 5.0
Published
20 Jan 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.3% in the next 30 daysHigher than 83% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • Version 8.0.0.2
  • Version 8.0.0.1
  • Version 8.0.0.0
  • Version 7.0.0.21
All 67 release lines
  • Version 6.0.0.0
  • Version 6.0.0.2
  • Version 6.0.0.3
  • Version 6.0.1.0
  • Version 6.0.1.11
  • Version 6.0.1.12
  • Version 6.0.2.0
  • Version 6.0.2.1
  • Version 6.0.2.2
  • Version 6.0.2.3
  • Version 6.0.2.4
  • Version 6.0.2.5
  • Version 6.0.2.6
  • Version 6.0.2.7
  • Version 6.0.2.8
  • Version 6.0.2.9
  • Version 6.0.2.11
  • Version 6.0.2.13
  • Version 6.0.2.15
  • Version 6.0.2.17
  • Version 6.0.2.19
  • Version 6.0.2.21
  • Version 6.0.2.23
  • Version 6.0.2.25
  • Version 6.0.2.27
  • Version 6.0.2.29
  • Version 6.0.2.31
  • Version 6.0.2.33
  • Version 6.0.2.35
  • Version 6.0.2.37
  • Version 6.0.2.43
  • Version 6.1.0.0
  • Version 6.1.0.1
  • Version 6.1.0.3
  • Version 6.1.0.5
  • Version 6.1.0.7
  • Version 6.1.0.9
  • Version 6.1.0.11
  • Version 6.1.0.13
  • Version 6.1.0.14
  • Version 6.1.0.15
  • Version 6.1.0.17
  • Version 6.1.0.19
  • Version 6.1.0.21
  • Version 6.1.0.23
  • Version 6.1.0.25
  • Version 6.1.0.27
  • Version 6.1.0.33
  • Version 6.1.0.35
  • Version 6.1.0.37
  • Version 6.1.0.39
  • Version 6.1.0.41
  • Version 7.0.0.1
  • Version 7.0.0.2
  • Version 7.0.0.3
  • Version 7.0.0.5
  • Version 7.0.0.7
  • Version 7.0.0.9
  • Version 7.0.0.11
  • Version 7.0.0.13
  • Version 7.0.0.15
  • Version 7.0.0.17
  • Version 7.0.0.19
  • Version 7.0.0.21
  • Version 8.0.0.0
  • Version 8.0.0.1
  • Version 8.0.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-0193
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-0193