Back
CVE-2011-4461
Jetty 8.1.0.RC2 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions…
- 5.3MediumCVSS base score
- 4.9%Exploitation in 30 daysEPSS · top 7.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 43 days later
· 43 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 4.9% · top 7.8% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.eclipse.jetty:jetty-serverGHSA-qxp4-27vx-xmm3 (opens in a new tab)
References
14
- HPSBST03346 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- https://security.netapp.com/advisory/ntap-20190307-0004/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1429-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.nruns.com/_downloads/advisory28122011.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 48981 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1026475 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- VU#903934 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- jetty-hash-dos(72017) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 47408 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.ocert.org/advisories/ocert-2011-003.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-5062 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qxp4-27vx-xmm3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-4461)Record last updated .