CVE-2025-3200 in Com-Server++
Summary
by MITRE • 04/28/2025
An unauthenticated remote attacker could exploit the used, insecure TLS 1.0 and TLS 1.1 protocols to intercept and manipulate encrypted communications between the Com-Server and connected systems.
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Analysis
by VulDB Data Team • 04/28/2025
This vulnerability represents a critical security flaw in the Com-Server communication infrastructure that leverages outdated and insecure cryptographic protocols to enable man-in-the-middle attacks. The vulnerability specifically targets the use of TLS 1.0 and TLS 1.1 protocols which have been deprecated due to numerous security weaknesses including susceptibility to BEAST and POODLE attacks. These legacy protocols lack modern cryptographic protections and have known implementation flaws that make them vulnerable to various exploitation techniques. The security weakness stems from the system's failure to enforce secure communication protocols and its continued reliance on deprecated cryptographic standards that have been officially discouraged by security authorities for years.
The technical implementation of this vulnerability allows an unauthenticated remote attacker to perform protocol downgrade attacks and exploit the inherent weaknesses in TLS 1.0 and TLS 1.1 implementations. Attackers can leverage the lack of proper protocol version negotiation and the absence of modern cryptographic protections to intercept and manipulate encrypted communications between the Com-Server and connected systems. This vulnerability directly maps to CWE-319 - Cleartext Transmission of Sensitive Information and CWE-326 - Inadequate Encryption Strength, both of which are classified under the OWASP Top Ten as critical security risks. The attack vector requires no authentication credentials and can be executed from any network location, making it particularly dangerous for industrial control systems and enterprise environments where such communication channels are critical.
The operational impact of this vulnerability extends beyond simple data interception to include potential system compromise and operational disruption. When attackers can manipulate encrypted communications, they gain the ability to alter system configurations, inject malicious commands, or redirect system operations without detection. This represents a significant threat to industrial control systems where Com-Server components often manage critical infrastructure operations. The vulnerability creates a persistent risk that can remain undetected for extended periods, allowing attackers to establish long-term access to sensitive communication channels. The attack surface includes not only data confidentiality but also integrity and availability of the connected systems, potentially enabling cascading failures throughout the operational technology environment.
Mitigation strategies should focus on immediate protocol upgrades and comprehensive security hardening measures. Organizations must implement mandatory TLS 1.2 or higher protocol enforcement across all communication channels and disable support for TLS 1.0 and TLS 1.1 protocols entirely. This aligns with NIST SP 800-52 guidelines for secure network protocol selection and implementation. The solution requires configuration changes at the Com-Server level to enforce secure protocol versions and implement proper certificate management practices. Network segmentation and monitoring should be implemented to detect potential downgrade attempts and unauthorized access attempts. Additionally, regular security assessments should be conducted to ensure that all communication endpoints properly enforce secure cryptographic protocols and that legacy systems are either upgraded or properly isolated from critical network segments. The implementation of these mitigations should follow the MITRE ATT&CK framework's guidance for network security controls and protocol hardening to prevent similar vulnerabilities from emerging in other system components.