CVE-2012-3447

Exp

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.

Published: 2012-08-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-3447 is rated High Exploit Risk (62.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.93%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.01% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-3447

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-3447

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.92% 1.93% +1.01%
2 2025-03-30 1.57% 0.92% -0.64%
3 2025-03-29 1.57%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-3447

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 2.0 MEDIUM
AV:N/AC:M/Au:S/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
6.8 4.9 [email protected]

Weakness enumeration for CVE-2012-3447

GitHub Security Advisory for CVE-2012-3447

GHSA-xc4g-7vw8-924h · Severity: high · Ecosystem: pip — Arbitrary file overwrite in OpenStack Nova

OS Trackers for CVE-2012-3447

vendor priority summary link
debian not yet assigned CVE-2012-3447 not yet assigned priority: Debian including 1 source packages (nova), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-3447
ubuntu medium CVE-2012-3447 medium priority: Ubuntu including 1 source packages (nova), 7 status rows across 7 suites (hardy, lucid, natty, oneiric, precise, quantal, upstream): DNE 2, released 2, ignored 1, needs-triage 1, not-affected 1. https://ubuntu.com/security/CVE-2012-3447

Affected software / configurations for CVE-2012-3447

Vendor Product Version Raw CPE
openstack folsom cpe:2.3:a:openstack:folsom:*:*:*:*:*:*:*:*
openstack nova 2012.1 cpe:2.3:a:openstack:nova:2012.1:*:*:*:*:*:*:*

References for CVE-2012-3447

cvelogic Threat Intelligence