The (1) EC2 and (2) OS APIs in OpenStack Compute (Nova) Folsom (2012.2), Essex (2012.1), and Diablo (2011.3) do not properly check the protocol when security groups are created and the network protocol is not specified entirely in lowercase, which allows remote attackers to bypass intended access restrictions
Published Jun 21, 2012
4.3
MEDIUMCVSS 2.0
EPSS 2.63%
Description
The (1) EC2 and (2) OS APIs in OpenStack Compute (Nova) Folsom (2012.2), Essex (2012.1), and Diablo (2011.3) do not properly check the protocol when security groups are created and the network protocol is not specified entirely in lowercase, which allows remote attackers to bypass intended access restrictions.
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:N/C:N/I:P/A:N
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 1, 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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.63% (0.02626) | 84.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.63% (0.02626) | 83.45th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.15% (0.02149) | 82.72th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.03% (0.05027) | 82.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.23% (0.02233) | 83.37th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.27% (0.01266) | 86.22th | v3 (v2023.03.01) |
| Jul 10, 2024 | 1.27% (0.01266) | 85.74th | v3 (v2023.03.01) |
| May 3, 2024 | 1.25% (0.01246) | 85.41th | v3 (v2023.03.01) |
| Mar 9, 2023 | 1.25% (0.01246) | 83.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.05% (0.01053) | 81.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (12)
- http://secunia.com/advisories/46808 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/49439 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.ubuntu.com/usn/USN-1466-1 vendor-advisoryx_refsource_UBUNTU
- https://bugs.launchpad.net/nova/+bug/985184 x_refsource_CONFIRMPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76110 vdb-entryx_refsource_XF
- https://github.com/advisories/GHSA-46r8-9cj7-pw6g Advisory
- https://github.com/openstack/nova/commit/9f9e9da777161426a6f8cb4314b78e09beac2978 x_refsource_CONFIRMExploitPatch
- https://github.com/openstack/nova/commit/ff06c7c885dc94ed7c828e8cdbb8b5d850a7e654 x_refsource_CONFIRMExploitPatch
- https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-37.yaml
- https://lists.launchpad.net/openstack/msg12883.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2012-2654
- https://review.openstack.org/#/c/8239 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/46808 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/49439 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.ubuntu.com/usn/USN-1466-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://bugs.launchpad.net/nova/+bug/985184 | x_refsource_CONFIRMPatch | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/76110 | vdb-entryx_refsource_XF | |
| https://github.com/advisories/GHSA-46r8-9cj7-pw6g | Advisory | |
| https://github.com/openstack/nova/commit/9f9e9da777161426a6f8cb4314b78e09beac2978 | x_refsource_CONFIRMExploitPatch | |
| https://github.com/openstack/nova/commit/ff06c7c885dc94ed7c828e8cdbb8b5d850a7e654 | x_refsource_CONFIRMExploitPatch | |
| https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-37.yaml | ||
| https://lists.launchpad.net/openstack/msg12883.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-2654 | ||
| https://review.openstack.org/#/c/8239 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.