MEDIUM
jetty: hash table collisions CPU usage DoS (oCERT-2011-003)
Published Dec 30, 2011
5.3
MEDIUMCVSS 3.0
EPSS 4.92%
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
No data.
Configuration 1
- 6.9.0
Configuration 2
OR
- ≤ 8.1.0
- 1.0
- 1.0.1
- 1.1
- 1.1.1
- 1.2.0
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- 1.3.5
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.1.0
- 2.1.1
- 2.1.2
- 2.1.3
- 2.1.4
- 2.1.5
- 2.1.6
- 2.1.7
- 2.1.b0
- 2.1.b1
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2.0
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
- 2.2.8
- 2.3.0
- 2.3.0a
- 2.3.1
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 3.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.a0
- 3.0.a1
- 3.0.a2
- 3.0.a3
- 3.0.a4
- 3.0.a5
- 3.0.a6
- 3.0.a7
- 3.0.a8
- 3.0.a9
- 3.0.a90
- 3.0.a91
- 3.0.a92
- 3.0.a93
- 3.0.a94
- 3.0.a95
- 3.0.a96
- 3.0.a97
- 3.0.a98
- 3.0.a99
- 3.0.b01
- 3.0.b02
- 3.0.b03
- 3.0.b04
- 3.0.b05
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1.0
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
- 4.0
- 4.0
- 4.0
- 4.0.0
- 4.0.1
- 4.0.1
- 4.0.1
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.b0
- 4.0.b1
- 4.0.b2
- 4.0.d0
- 4.0.d1
- 4.0.d2
- 4.0.d3
- 4.0.d4
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.b0
- 4.1.b1
- 4.1.d0
- 4.1.d1
- 4.1.d2
- 4.2
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.4
- 4.2.5
- 4.2.6
- 4.2.7
- 4.2.8_01
- 4.2.9
- 4.2.9
- 4.2.9
- 4.2.10
- 4.2.10
- 4.2.10
- 4.2.10
- 4.2.11
- 4.2.12
- 4.2.14
- 4.2.14
- 4.2.14
- 4.2.15
- 4.2.15
- 4.2.16
- 4.2.17
- 4.2.18
- 4.2.19
- 4.2.20
- 4.2.20
- 4.2.21
- 4.2.22
- 4.2.23
- 4.2.23
- 4.2.24
- 4.2.24
- 4.2.24
- 4.2.25
- 4.2.26
- 4.2.27
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0.0
- 5.0.0
- 5.1
- 5.1
- 5.1
- 5.1.0
- 5.1.1
- 5.1.1
- 5.1.1
- 5.1.2
- 5.1.2
- 5.1.3
- 5.1.3
- 5.1.3
- 5.1.3
- 5.1.3
- 5.1.3
- 5.1.4
- 5.1.4
- 5.1.5
- 5.1.5
- 5.1.5
- 5.1.5
- 5.1.6
- 5.1.7
- 5.1.7
- 5.1.8
- 5.1.9
- 5.1.10
- 5.1.11
- 5.1.11
- 5.1.12
- 5.1.13
- 5.1.14
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.0
- 6.0.1
- 6.0.2
- 6.1.0
- 6.1.0
- 6.1.0
- 6.1.0
- 6.1.0
- 6.1.0
- 6.1.0
- 6.1.0
- 6.1.0
- 6.1.1
- 6.1.1
- 6.1.2
- 6.1.2
- 6.1.2
- 6.1.2
- 6.1.2
- 6.1.2
- 6.1.2
- 6.1.2
- 6.1.2
- 6.1.3
- 6.1.4
- 6.1.4
- 6.1.4
- 6.1.5
- 6.1.5
- 6.1.6
- 6.1.6
- 6.1.6
- 6.1.7
- 6.1.8
- 6.1.9
- 6.1.10
- 6.1.11
- 6.1.12
- 6.1.12
- 6.1.12
- 6.1.12
- 6.1.12
- 6.1.12
- 6.1.14
- 6.1.15
- 6.1.15
- 6.1.15
- 6.1.15
- 6.1.15
- 6.1.15
- 6.1.16
- 6.1.19
- 6.1.20
- 6.1.21
- 7.0.0
- 7.0.0
- 7.0.0
- 7.0.0
- 7.0.0
- 7.0.0
No data.
Fuse ESB Enterprise 7.1.0
n/a
Fixed · RHSA-2012:1604
Fuse MQ Enterprise 7.1.0
n/a
Fixed · RHSA-2012:1605
Fuse Management Console 7.1.0
n/a
Fixed · RHSA-2012:1606
Red Hat Enterprise Linux 6
jetty-eclipse
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Fuse ESB Enterprise 7.1.0 | n/a | Fixed | RHSA-2012:1604 |
| Fuse MQ Enterprise 7.1.0 | n/a | Fixed | RHSA-2012:1605 |
| Fuse Management Console 7.1.0 | n/a | Fixed | RHSA-2012:1606 |
| Red Hat Enterprise Linux 6 | jetty-eclipse | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The Red Hat Security Response Team has rated this issue as having Low security impact for the jetty-eclipse package in Red Hat Enterprise Linux 6. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.3 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.92% 0.04922
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04922
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.92% (0.04922) | 91.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.04% (0.05044) | 91.16th | v5 (v2026.06.15) |
| Sep 21, 2025 | 3.00% (0.03003) | 86.08th | v4 (v2025.03.14) |
| Jul 13, 2025 | 4.50% (0.04503) | 88.64th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.00% (0.03003) | 85.37th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.97% (0.06968) | 85.40th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.00% (0.03003) | 85.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.65% (0.01651) | 88.09th | v3 (v2023.03.01) |
| Nov 24, 2023 | 1.65% (0.01651) | 86.18th | v3 (v2023.03.01) |
| May 8, 2023 | 1.81% (0.01815) | 86.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.88% (0.01881) | 86.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
Weaknesses (2)
References (20)
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=143387688830075&w=2 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/47408 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/48981 third-party-advisoryx_refsource_SECUNIA
- http://www.kb.cert.org/vuls/id/903934 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.nruns.com/_downloads/advisory28122011.pdf x_refsource_MISC
- http://www.ocert.org/advisories/ocert-2011-003.html x_refsource_MISC
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html x_refsource_CONFIRM
- http://www.securitytracker.com/id?1026475 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-1429-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2011-4461 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=781677 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72017 vdb-entryx_refsource_XF
- https://github.com/advisories/GHSA-qxp4-27vx-xmm3 Advisory
- https://github.com/eclipse/jetty.project/commit/085c79d7d6cfbccc02821ffdb64968593df3e0bf
- https://nvd.nist.gov/vuln/detail/CVE-2011-4461
- https://security.netapp.com/advisory/ntap-20190307-0004 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2011-4461
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 30, 2011
Updated Aug 7, 2024
Reserved Nov 17, 2011
Link CVE-2011-4461
CISA Vulnrichment
GHSA-QXP4-27VX-XMM3 Updated n/a