The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section
Published Jul 17, 2012
3.5
LOWCVSS 2.0
EPSS 1.86%
Description
The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.
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.
AV:N/AC:M/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.86% (0.01862) | 78.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.85% (0.01846) | 76.22th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.00% (0.01003) | 75.47th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.70% (0.00705) | 81.01th | v3 (v2023.03.01) |
| Apr 19, 2024 | 0.70% (0.00705) | 80.12th | v3 (v2023.03.01) |
| Dec 13, 2023 | 0.70% (0.00705) | 78.11th | v3 (v2023.03.01) |
| Apr 4, 2023 | 0.74% (0.00737) | 77.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.62% (0.00622) | 75.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
References (9)
- http://www.openwall.com/lists/oss-security/2012/07/11/13 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/54388 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1501-1 vendor-advisoryx_refsource_UBUNTU
- https://bugs.launchpad.net/nova/+bug/1017795 x_refsource_CONFIRMExploit
- https://github.com/advisories/GHSA-xxgm-qpj5-4886 Advisory
- https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d x_refsource_CONFIRMExploitPatch
- https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-40.yaml
- https://lists.launchpad.net/openstack/msg14452.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2012-3371
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2012/07/11/13 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/54388 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/USN-1501-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://bugs.launchpad.net/nova/+bug/1017795 | x_refsource_CONFIRMExploit | |
| https://github.com/advisories/GHSA-xxgm-qpj5-4886 | Advisory | |
| https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d | x_refsource_CONFIRMExploitPatch | |
| https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-40.yaml | ||
| https://lists.launchpad.net/openstack/msg14452.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-3371 |
Change history (0)
No recorded changes yet.