CVE-2010-1040 in OpenPNE
Summary
by MITRE
The "IP address range limitation" function in OpenPNE 1.6 through 1.8, 2.0 through 2.8, 2.10 through 2.14, and 3.0 through 3.4, when mobile device support is enabled, allows remote attackers to bypass the "simple login" functionality via unknown vectors related to spoofing.
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Analysis
by VulDB Data Team • 05/03/2026
The vulnerability identified as CVE-2010-1040 affects OpenPNE versions ranging from 1.6 through 1.8, 2.0 through 2.8, 2.10 through 2.14, and 3.0 through 3.4 when mobile device support is enabled. This issue resides within the IP address range limitation functionality that is designed to restrict access based on network addresses. The flaw specifically impacts the "simple login" mechanism which should normally prevent unauthorized access attempts by limiting connections to predefined IP ranges. However, attackers can exploit this weakness to bypass these security controls through unspecified spoofing vectors that allow them to appear as legitimate users from authorized IP addresses.
The technical implementation of this vulnerability stems from insufficient validation of IP address sources within the mobile device authentication flow. When mobile device support is enabled, the system's IP validation logic becomes susceptible to manipulation through spoofing techniques that can alter or mask the actual source IP address of incoming requests. This creates a path where malicious actors can forge their network location to match legitimate IP ranges, thereby circumventing the intended access controls that should restrict login attempts to specific network segments. The vulnerability represents a classic case of inadequate input validation and source address verification, which aligns with CWE-284 access control weaknesses and potentially CWE-352 cross-site request forgery patterns when considering the broader authentication context.
The operational impact of this vulnerability is significant as it allows remote attackers to gain unauthorized access to systems protected by IP-based restrictions. Attackers can exploit this flaw to bypass simple login protections that are typically designed to prevent unauthorized access from external networks, potentially leading to full system compromise. The vulnerability is particularly dangerous in environments where mobile device support is enabled, as it affects the authentication flow that should provide additional security layers for mobile users. This weakness can enable credential stuffing attacks, unauthorized administrative access, and potential data breaches when combined with other exploitation techniques. The attack surface expands significantly as the vulnerability affects multiple version ranges of OpenPNE, increasing the potential impact across various deployments.
Mitigation strategies for this vulnerability should focus on strengthening IP validation mechanisms and implementing additional authentication layers. Organizations should disable mobile device support if not required, or implement more robust IP address verification techniques that cannot be easily spoofed. The solution involves deploying additional checks such as device fingerprinting, multi-factor authentication, or implementing proper source address validation that cannot be bypassed through simple spoofing techniques. Network administrators should also consider implementing more granular access controls that do not rely solely on IP address ranges for authentication decisions. The remediation aligns with ATT&CK technique T1078 legitimate credentials usage and T1566 credential stuffing, emphasizing the need for layered security approaches that go beyond simple IP-based restrictions. Organizations should also ensure that all affected OpenPNE installations are updated to patched versions and that comprehensive network monitoring is implemented to detect potential exploitation attempts.