Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security…
Priority LOW 20CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-264.
Summary
Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.
Why it matters now
EPSS 0.01463 73rd percentileScored 2026-11-07
Fix Fixed nova (PyPI): 12.0.0a0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | nova (PyPI) | before 12.0.0a0 | 12.0.0a0 | Patch available | GHSA-hq3f-9gf7-73r8 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- nova (PyPI) Vendor— Affected before 12.0.0a0 Fixed in 12.0.0a0 Patch available GHSA-hq3f-9gf7-73r8
Remediation
- Fix · GHSA-hq3f-9gf7-73r8 nova (PyPI) Fixed in 12.0.0a0 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-2101
- 2026-10-03 Alias added: GHSA-hq3f-9gf7-73r8
References
Other 8
- https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7
- 81641
- https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb
- [openstack] 20120419 [OSSA 2012-005] No quota enforced on security group rules
- https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64
- https://bugs.launchpad.net/nova/+bug/969545
- https://github.com/openstack/nova
- https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-36.yaml
More OpenStack Nova vulnerabilities
- TI-2026-34154 In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. CVSS 3.1HIGH 8.5
- TI-2022-23762 An issue was discovered in OpenStack Cinder before 19.1.2, 20.x before 20.0.2, and… CVSS 3.1MEDIUM 5.7
- TI-2021-02596 Open redirect in openstack-nova CVSS 3.1MEDIUM 6.1
- TI-2017-04900 An issue was discovered in exception_wrapper.py in OpenStack Nova 13.x through 13.1.3… CVSS 3.0CRITICAL 9.8
- TI-2017-12516 An issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. CVSS 3.0HIGH 8.6
- TI-2020-13145 An issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova… CVSS 3.1HIGH 8.3
Sources
- CVE-2012-2101 · CVE Program
- CVE-2012-2101 · NVD
- FIRST EPSS
- GHSA-hq3f-9gf7-73r8 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-2101 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences