CVE-2022-21422 in Communications Billing and Revenue Management
Summary
by MITRE • 04/20/2022
Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications Applications (component: Connection Manager). Supported versions that are affected are 12.0.0.4 and 12.0.0.5. Difficult to exploit vulnerability allows low privileged attacker with network access via TCP to compromise Oracle Communications Billing and Revenue Management. Successful attacks of this vulnerability can result in takeover of Oracle Communications Billing and Revenue Management. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 04/22/2022
The vulnerability identified as CVE-2022-21422 represents a critical security flaw within Oracle Communications Billing and Revenue Management, specifically within its Connection Manager component. This vulnerability affects versions 12.0.0.4 and 12.0.0.5 of the Oracle Communications Applications suite, which are widely deployed in telecommunications and billing environments where financial transaction processing and customer data management are paramount. The affected product serves as a critical infrastructure component for billing operations, making it a prime target for malicious actors seeking to compromise financial systems.
The technical nature of this vulnerability stems from insufficient input validation and authentication mechanisms within the Connection Manager module. Attackers with low privileges and network access via TCP can exploit this weakness to gain unauthorized control over the affected system. The CVSS score of 7.5 indicates a high severity vulnerability that can result in complete system compromise, affecting confidentiality, integrity, and availability simultaneously. The attack vector requiring network access via TCP suggests that the vulnerability can be exploited from external networks, potentially through reconnaissance and scanning activities targeting exposed ports.
From an operational perspective, successful exploitation of CVE-2022-21422 could lead to complete system takeover, allowing attackers to access sensitive billing data, manipulate customer records, and potentially disrupt critical billing operations. This vulnerability directly impacts the integrity of financial transactions and customer information, while also compromising system availability through potential denial-of-service conditions or data corruption. The low privilege requirement means that even minimal access to the network could be sufficient for exploitation, making this vulnerability particularly dangerous in environments where network segmentation is not properly implemented.
The vulnerability aligns with CWE-20, which describes improper input validation, and can be mapped to ATT&CK techniques including T1190 for Exploit Public-Facing Application and T1071 for Application Layer Protocol. Organizations should prioritize immediate patching of affected systems, implement network segmentation to limit access to the Connection Manager component, and conduct thorough network monitoring for suspicious TCP connections. Additional mitigations should include implementing strong access controls, regularly auditing system configurations, and establishing incident response procedures specifically for financial system compromises. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches in enterprise billing systems where financial data integrity is essential for business operations.