CVE-2018-11462 : Vulnerability Insights and Analysis
Discover a security flaw in Siemens AG's SINUMERIK software versions 808D V4.7, 808D V4.8, 828D V4.7, 840D sl V4.7, and 840D sl V4.8 allowing remote attackers to elevate privileges. Learn about the impact, affected systems, and mitigation steps.
A security flaw has been discovered in various versions of Siemens AG's SINUMERIK software, including 808D V4.7, 808D V4.8, 828D V4.7, 840D sl V4.7, and 840D sl V4.8. This vulnerability allows a remote attacker to elevate their privileges to a higher user account by sending a specially crafted authentication request to the affected systems.
Understanding CVE-2018-11462
This CVE identifies a security vulnerability in Siemens AG's SINUMERIK software that could lead to privilege escalation for remote attackers.
What is CVE-2018-11462?
The vulnerability in various versions of SINUMERIK software allows remote attackers to elevate their privileges to a higher user account by exploiting a flaw in the authentication process.
The Impact of CVE-2018-11462
- Attackers can escalate their privileges without user interaction
- Compromise of system confidentiality, integrity, and availability
- No known instances of public exploitation reported
Technical Details of CVE-2018-11462
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- Vulnerability Type: Permissions, Privileges, and Access Controls (CWE-264)
- Attack Vector: Remote
- Privileges Required: None
- User Interaction: Not required
Affected Systems and Versions
- SINUMERIK 808D V4.7: All versions
- SINUMERIK 808D V4.8: All versions
- SINUMERIK 828D V4.7: All versions < V4.7 SP6 HF1
- SINUMERIK 840D sl V4.7: All versions < V4.7 SP6 HF5
- SINUMERIK 840D sl V4.8: All versions < V4.8 SP3
Exploitation Mechanism
- Remote attacker sends a specially crafted authentication request
- No privileges or user interaction required
- Attacker must have network access to the targeted systems
Mitigation and Prevention
Protect your systems from CVE-2018-11462 with these mitigation strategies.
Immediate Steps to Take
- Apply vendor-supplied patches or updates
- Monitor network traffic for any suspicious activity
- Restrict network access to vulnerable systems
Long-Term Security Practices
- Regularly update software and firmware
- Conduct security assessments and audits
- Implement strong access controls and authentication mechanisms
Patching and Updates
- Siemens AG may release patches or updates to address this vulnerability
- Stay informed about security advisories and apply patches promptly