CVE-2012-2101

CVE-2012-2101 is a low-severity vulnerability in Openstack Nova with a CVSS 2.0 base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2012-2101?
CVE-2012-2101 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2012-2101 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2101?
CVE-2012-2101 primarily affects Openstack Nova. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2101?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2101 published?
CVE-2012-2101 was published on 2012-06-07 and last updated on 2026-06-16.

References

Affected products (3)

More vulnerabilities in Openstack Nova

All CVEs affecting Openstack Nova →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →