Nova: DoS by allocating all Fixed IPs
Published Mar 22, 2013
7.1
HIGHCVSS 4.0
EPSS 2.74%
Description
OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) does not properly implement a quota for fixed IPs, which allows remote authenticated users to cause a denial of service (resource exhaustion and failure to spawn new instances) via a large number of calls to the addFixedIp function.
Affected products
No data.
Configuration 1
Configuration 2
- 11.10
- 12.04
- 12.10
No data.
OpenStack Folsom for RHEL 6
openstack-nova-0:2012.2.3-7.el6ost
Fixed · RHSA-2013:0709
| Product | Package | State | Advisory |
|---|---|---|---|
| OpenStack Folsom for RHEL 6 | openstack-nova-0:2012.2.3-7.el6ost | Fixed | RHSA-2013:0709 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/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 3, 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.74% (0.02742) | 85.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.74% (0.02742) | 84.19th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.43% (0.01427) | 78.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.11% (0.03114) | 77.94th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.38% (0.01376) | 78.95th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.14% (0.01143) | 85.40th | v3 (v2023.03.01) |
| Apr 11, 2024 | 1.14% (0.01143) | 84.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.14% (0.01143) | 82.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.19% (0.02186) | 80.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.19% (0.02186) | 79.16th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.19% (0.02186) | 57.93th | v2 (v2022.01.01) |
References (22)
- http://osvdb.org/91303 vdb-entryx_refsource_OSVDB
- http://rhn.redhat.com/errata/RHSA-2013-0709.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/52580 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/52728 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://ubuntu.com/usn/usn-1771-1 vendor-advisoryx_refsource_UBUNTU
- http://www.openwall.com/lists/oss-security/2013/03/14/18 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/58492 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2013-1838 Vendor Advisory
- https://bugs.launchpad.net/nova/+bug/1125468 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=919648 x_refsource_MISCIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82877 vdb-entryx_refsource_XF
- https://github.com/advisories/GHSA-63fq-8fp9-vhwq Advisory
- https://github.com/openstack/nova/commit/9561484166f245d0e4602a36351d6cac72dd9426
- https://github.com/openstack/nova/commit/99429214d4ddb5bdc7de185693b8a53ad50df3c6
- https://github.com/openstack/nova/commit/efaacdaee116388234558e2682b647d41fe5b149
- https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2013-44.yaml
- https://lists.launchpad.net/openstack/msg21892.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2013-1838
- https://review.openstack.org/#/c/24451 x_refsource_CONFIRM
- https://review.openstack.org/#/c/24452 x_refsource_CONFIRM
- https://review.openstack.org/#/c/24453 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2013-1838
Change history (0)
No recorded changes yet.