What’s Vulnerable › Vulnerabilities

CVE-2011-4461

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-12-30 · updated 2026-06-16
• Weakness: CWE-310

Description

Jetty 8.1.0.RC2 and earlier 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.

Affected products

• Mortbay Jetty: through 8.1.0; 1.0, 1.0.1, 1.1, 1.1.1, 1.2.0, 1.3.0 (+333)
• Oracle Sun Storage Common Array Manager: 6.9.0

References

• http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
• http://marc.info/?l=bugtraq&m=143387688830075&w=2
• http://secunia.com/advisories/47408
• http://secunia.com/advisories/48981
• http://www.kb.cert.org/vuls/id/903934
• http://www.nruns.com/_downloads/advisory28122011.pdf
• http://www.ocert.org/advisories/ocert-2011-003.html
• http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
• http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
• http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
• http://www.securitytracker.com/id?1026475
• http://www.ubuntu.com/usn/USN-1429-1

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