CVE-2012-2654
OpenStack Compute (Nova) Improper Input Validation
CVE-2012-2654 is a medium vulnerability (CVSS 4.3) in Openstack Compute, published June 21, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.60%, the 85th percentile. Fixed in nova 12.0.0a0.
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.
Exploit likelihood
What each source reports
NVD Score used
4.3
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.
- Record
CVE-2012-2654- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-2654- Updated
- 2026-11-02
EUVDEUVD-2012-0020 No score
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.
- Record
EUVD-2012-0020- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-46r8-9cj7-pw6g No score
OpenStack Compute (Nova) Improper Input Validation
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.
- Record
GHSA-46r8-9cj7-pw6g- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2012-2654- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-2654 No score
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.
- Record
DEBIAN-CVE-2012-2654- Updated
- 2026-11-02
OSVGHSA-46r8-9cj7-pw6g No score
OpenStack Compute (Nova) Improper Input Validation
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.
- Record
GHSA-46r8-9cj7-pw6g- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVPYSEC-2012-37 No score
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.
- Record
PYSEC-2012-37- Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected | |
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
secunia.com/advisories/46808
review.openstack.org
github.com/openstack/nova/commit/9f9e9da777161426a6f8cb4314b78e09beac2978
bugs.launchpad.net/nova/+bug/985184
github.com/openstack/nova/commit/ff06c7c885dc94ed7c828e8cdbb8b5d850a7e654
ubuntu.com/usn/USN-1466-1
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lists.launchpad.net/openstack/msg12883.html
exchange.xforce.ibmcloud.com/vulnerabilities/76110
secunia.com/advisories/49439
nvd.nist.gov/vuln/detail/CVE-2012-2654
github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-37.yaml
github.com/advisories/GHSA-46r8-9cj7-pw6g
security-tracker.debian.org/tracker/CVE-2012-2654
github.com/openstack/nova