Executive Summary
In July 2026, researchers at Lava identified that over 24,000 Internet-exposed Baseboard Management Controllers (BMCs) were vulnerable to CVE-2013-4786, a flaw in the IPMI 2.0 authentication protocol. This vulnerability allows unauthenticated attackers to obtain password hashes from BMCs and perform offline brute-force attacks, potentially granting privileged access to underlying servers. The flaw, introduced in 2004 and disclosed in 2013, remains exploitable due to weak or default passwords and the exposure of BMC interfaces to the Internet.
The resurgence of this decades-old vulnerability underscores the persistent risks associated with legacy protocols and inadequate security configurations. As attackers increasingly target out-of-band management interfaces, organizations must prioritize securing these critical components to prevent unauthorized access and potential data breaches.
Why This Matters Now
The exploitation of CVE-2013-4786 highlights the urgent need for organizations to secure BMC interfaces, especially as attackers increasingly target these critical components to gain unauthorized access to servers.
Attack Path Analysis
Attackers exploited the CVE-2013-4786 vulnerability in IPMI 2.0 to obtain password hashes from exposed BMCs, enabling offline brute-force attacks to gain initial access. With compromised credentials, they escalated privileges to gain full control over the BMCs. Utilizing this control, attackers moved laterally to other servers within the data center. They established command and control channels to maintain persistent access. Sensitive data was exfiltrated from the compromised servers. Finally, attackers deployed ransomware, causing significant operational disruption.
Kill Chain Progression
Initial Compromise
Description
Attackers exploited the CVE-2013-4786 vulnerability in IPMI 2.0 to obtain password hashes from exposed BMCs, enabling offline brute-force attacks to gain initial access.
Related CVEs
CVE-2013-4786
CVSS 7.5The IPMI 2.0 specification supports RMCP+ Authenticated Key-Exchange Protocol (RAKP) authentication, allowing remote attackers to obtain password hashes and conduct offline password guessing attacks by obtaining the HMAC from a RAKP message 2 response from a BMC.
Affected Products:
Oracle Fujitsu M10 Firmware – <= 2290
Intel Intelligent Platform Management Interface – 2.0
Exploit Status:
exploited in the wild
MITRE ATT&CK® Techniques
Valid Accounts
Brute Force
Application Layer Protocol
Lateral Tool Transfer
Resource Hijacking
Impair Defenses
Software Deployment Tools
Account Manipulation
Potential Compliance Exposure
Mapping incident impact across multiple compliance frameworks.
PCI DSS 4.0 – Strong Authentication for Non-Console Access
Control ID: 8.2.3
NYDFS 23 NYCRR 500 – Cybersecurity Policy
Control ID: 500.03
DORA – ICT Risk Management Framework
Control ID: Article 5
CISA ZTMM 2.0 – Identity and Access Management
Control ID: 3.1
NIS2 Directive – Security Measures
Control ID: Article 21
Sector Implications
Industry-specific impact of the vulnerabilities, including operational, regulatory, and cloud security risks.
Information Technology/IT
Critical infrastructure exploitation via BMC vulnerabilities exposes 24,000+ data centers to remote takeover, lateral movement, and ransomware deployment through unencrypted traffic.
Automotive
Manufacturing systems vulnerable to BMC attacks as evidenced by compromised automotive component manufacturer displaying ransomware notes from Internet-exposed server management interfaces.
Health Care / Life Sciences
HIPAA compliance violations through compromised BMCs enable attackers to access encrypted medical data, bypass zero trust segmentation, and exfiltrate protected health information.
Financial Services
Banking infrastructure faces privilege escalation risks through CVE-2013-4786 exploitation, threatening PCI compliance and enabling unauthorized access to financial transaction processing systems.
Sources
- Thousands of Data Center Controllers Open to Takeoverhttps://www.darkreading.com/cyber-risk/flaw-exposes-data-centers-server-takeoverVerified
- Data Domain: IPMI v2.0 Password Hash Disclosurehttps://www.dell.com/support/kbdoc/en-ca/000222162/data-domain-ipmi-v2-0-password-hash-disclosureVerified
- CVE-2013-4786 - NVDhttps://nvd.nist.gov/vuln/detail/CVE-2013-4786Verified
Frequently Asked Questions
Cloud Native Security Fabric Mitigations and ControlsCNSF
Aviatrix Zero Trust CNSF is pertinent to this incident as it would likely limit the attacker's ability to move laterally and exfiltrate data by enforcing strict segmentation and identity-based policies.
Control: Cloud Native Security Fabric (CNSF)
Mitigation: The attacker's initial access may have been constrained by limiting exposure of management interfaces through strict segmentation policies.
Control: Zero Trust Segmentation
Mitigation: The attacker's ability to escalate privileges could have been limited by enforcing strict identity-based access controls.
Control: East-West Traffic Security
Mitigation: The attacker's lateral movement would likely have been constrained by enforcing east-west traffic controls between workloads.
Control: Multicloud Visibility & Control
Mitigation: The attacker's ability to establish command and control channels may have been limited by monitoring and controlling outbound communications.
Control: Egress Security & Policy Enforcement
Mitigation: The attacker's data exfiltration efforts could have been constrained by enforcing strict egress policies.
The attacker's deployment of ransomware may have been limited in scope due to enforced segmentation and access controls.
Impact at a Glance
Affected Business Functions
- Server Management
- Data Center Operations
- Remote Administration
Estimated downtime: 7 days
Estimated loss: $500,000
Administrator credentials, server configurations, and potentially sensitive corporate data.
Recommended Actions
Key Takeaways & Next Steps
- • Implement Zero Trust Segmentation to restrict lateral movement within the data center.
- • Enforce strong password policies and regular credential rotations to mitigate credential-based attacks.
- • Deploy East-West Traffic Security controls to monitor and restrict internal traffic flows.
- • Utilize Multicloud Visibility & Control solutions to detect and respond to anomalous activities.
- • Apply Egress Security & Policy Enforcement to prevent unauthorized data exfiltration.
