MEDIUM
Apache Tomcat through 7.0.x allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris
Published Nov 30, 2012
5.0
MEDIUMCVSS 2.0
EPSS 9.59%
Description
Apache Tomcat through 7.0.x allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
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.
9.59% 0.09588
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.09588
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.59% (0.09588) | 95.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.59% (0.09588) | 94.84th | v5 (v2026.06.15) |
| Aug 15, 2025 | 13.83% (0.13830) | 94.01th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.62% (0.12622) | 93.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.45% (0.19453) | 92.46th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.62% (0.12622) | 93.41th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.80% (0.01795) | 87.79th | v3 (v2023.03.01) |
| Apr 27, 2024 | 0.78% (0.00785) | 81.20th | v3 (v2023.03.01) |
| Apr 9, 2024 | 1.11% (0.01110) | 84.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.11% (0.01110) | 82.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.72% (0.03718) | 85.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.72% (0.03718) | 83.56th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.72% (0.03718) | 66.71th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (10)
- http://captainholly.wordpress.com/2009/06/19/slowloris-vs-tomcat/ x_refsource_MISCExploitThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2012/11/26/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://tomcat.10.n6.nabble.com/How-does-Tomcat-handle-a-slow-HTTP-DoS-tc2147776.html mailing-listx_refsource_MLISTVendor Advisory
- http://tomcat.10.n6.nabble.com/How-does-Tomcat-handle-a-slow-HTTP-DoS-tc2147779.html mailing-listx_refsource_MLISTVendor Advisory
- http://www.securityfocus.com/bid/56686 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=880011 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80317 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Nov 30, 2012
Updated Aug 6, 2024
Reserved Oct 24, 2012
Link CVE-2012-5568
CISA Vulnrichment
Updated n/a