CVE-2012-4406

CRITICAL

OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute a...

Affects 7 products across 3 vendors.

CVSS 3.19.8
EPSS6.6%
Percentile94th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-502: Deserialization of Untrusted Data

Software deserializes untrusted data without validation, allowing crafted objects to execute arbitrary code.

Related Attack Patterns (CAPEC)
CAPEC-586 Object Injection
via CWE-502

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2012. A critical vulnerability affects Fedoraproject systems (CVE-2012-4406). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2012-GLOBAL-092091-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2012-4406?
This vulnerability was disclosed in 2012. A critical vulnerability affects Fedoraproject systems (CVE-2012-4406). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2012-4406?
CVE-2012-4406 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 6.6%.
Is CVE-2012-4406 actively exploited?
No confirmed active exploitation of CVE-2012-4406 as of 2026-09-25.
How do I remediate CVE-2012-4406?
Priority: MEDIUM. Advisory: http://rhn.redhat.com/errata/RHSA-2012-1379.html
What systems are affected by CVE-2012-4406?
CVE-2012-4406 affects Fedoraproject Fedora; Openstack Swift; Redhat Storage For Public Cloud, Enterprise Linux Server, Gluster Storage Management Console, Gluster Storage Server For On-Premise, Storage.
Vulnerability Details
CVE IDCVE-2012-4406
BSIDBS-2012-GLOBAL-092091-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2012-10-22
Last Modified2026-06-16
ICS Relevance15%
Weakness (CWE)
Deserialization of Untrusted Data
SourceNVD
Official Description

OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute arbitrary code via a crafted pickle object.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute arbitrary code via a crafted pickle object. CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Fedoraproject Fedora 16
Openstack Swift < 1.7.0
Redhat Storage For Public Cloud 2.0
Redhat Enterprise Linux Server 5.0 6.0
Redhat Gluster Storage Management Console 2.0
Redhat Gluster Storage Server For On-Premise 2.0
Redhat Storage 2.0
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 5106 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashfd3949f31b4319aa5b61510adf7b7a0ee4294ba2bbdbeae2072b1a9429be017979c40a7c12d40df47205a237d38b190d64b8b96e55ba8d6149f792c38561a036
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