Vulnerability Report

CVE-2012-2101

Title: Openstack Nova Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2012-2101.

CWE Category CWE-264

Published Date Jun 07, 2012

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 3.5 CVSS v2.0

Exploit Probability (EPSS)

1.48%

Vulnerability Summary

CVE-2012-2101: 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.

Impacted Vendors

openstack 1

panic 1

Reference Links

http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079434.html http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079551.html http://secunia.com/advisories/49034 http://secunia.com/advisories/49048 http://ubuntu.com/usn/usn-1438-1 http://www.osvdb.org/81641 https://bugs.launchpad.net/nova/+bug/969545 https://exchange.xforce.ibmcloud.com/vulnerabilities/75243 https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7 https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64 https://lists.launchpad.net/openstack/msg10268.html http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079434.html http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079551.html http://secunia.com/advisories/49034 http://secunia.com/advisories/49048 http://ubuntu.com/usn/usn-1438-1 http://www.osvdb.org/81641 https://bugs.launchpad.net/nova/+bug/969545 https://exchange.xforce.ibmcloud.com/vulnerabilities/75243 https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7 https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64 https://lists.launchpad.net/openstack/msg10268.html

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:S/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-2101 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

June 07, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:S/C:N/I:N/A:P

Affected Stack

No specific products linked.