How severe is CVE-2012-3447?

CVE-2012-3447 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2012-3447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3447?

CVE-2012-3447 primarily affects Openstack Folsom. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3447?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-3447 published?

CVE-2012-3447 was published on 2012-08-20 and last updated on 2026-06-16.

CVE-2012-3447

CVE-2012-3447 is a medium-severity vulnerability in Openstack Folsom with a CVSS 2.0 base score of 4.9. 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

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Openstack Folsom
Published: 2012-08-20
Last modified: 2026-06-16

Description

virt/disk/api.py in OpenStack Compute (Nova) 2012.1.x before 2012.1.2 and Folsom before Folsom-3 allows remote authenticated users to overwrite arbitrary files via a symlink attack on a file in an image that uses a symlink that is only readable by root. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3361.

Frequently asked questions

What is CVE-2012-3447?: virt/disk/api.py in OpenStack Compute (Nova) 2012.1.x before 2012.1.2 and Folsom before Folsom-3 allows remote authenticated users to overwrite arbitrary files via a symlink attack on a file in an image that uses a symlink that is only readable by root. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3361.
How severe is CVE-2012-3447?: CVE-2012-3447 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2012-3447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3447?: CVE-2012-3447 primarily affects Openstack Folsom. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3447 published?: CVE-2012-3447 was published on 2012-08-20 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:openstack:folsom:*:*:*:*:*:*:*:*
cpe:2.3:a:openstack:nova:2012.1:*:*:*:*:*:*:*

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