CVE-2022-21601 in Communications Billing and Revenue Management
Summary
by MITRE • 10/19/2022
Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications Applications (component: Connection Manager). Supported versions that are affected are 12.0.0.4.0-12.0.0.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Communications Billing and Revenue Management. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Communications Billing and Revenue Management accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Communications Billing and Revenue Management. CVSS 3.1 Base Score 6.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).
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Analysis
by VulDB Data Team • 04/26/2026
The vulnerability identified as CVE-2022-21601 affects Oracle Communications Billing and Revenue Management, specifically within the Connection Manager component of the Oracle Communications Applications suite. This flaw exists in versions 12.0.0.4.0 through 12.0.0.7.0, representing a significant security weakness that could be exploited by malicious actors without requiring authentication credentials. The vulnerability's classification as easily exploitable indicates that attackers can leverage this weakness with minimal technical expertise, making it particularly dangerous in production environments where such systems handle sensitive billing and revenue data.
The technical nature of this vulnerability stems from insufficient access controls within the Connection Manager component, which operates over TCP network connections. An unauthenticated attacker with network access can exploit this weakness to gain unauthorized read access to specific subsets of data within the Oracle Communications Billing and Revenue Management system. This data exposure could include sensitive customer billing information, revenue records, and other confidential operational data. Additionally, the vulnerability enables attackers to potentially cause partial denial of service conditions, disrupting the normal operation of the billing and revenue management processes and affecting business continuity.
The impact of this vulnerability extends beyond simple data theft, as it creates opportunities for service disruption that could affect revenue processing and customer billing operations. The CVSS 3.1 score of 6.5 indicates a medium to high severity threat with significant implications for both confidentiality and availability. The attack vector requires only network access via TCP, making it accessible from external networks, and does not require any privileges or user interaction. This vulnerability aligns with CWE-284 (Improper Access Control) and represents a classic example of insufficient authorization mechanisms that allow unauthorized data access and service disruption.
Organizations affected by this vulnerability should implement immediate mitigations including network segmentation, firewall rule restrictions, and access control hardening to limit TCP port exposure. The recommended approach involves applying Oracle's security patches and updates as soon as they become available, while also implementing network monitoring to detect potential exploitation attempts. Security teams should also consider implementing intrusion detection systems to monitor for unusual network activity patterns that might indicate exploitation of this vulnerability. The ATT&CK framework categorizes this type of vulnerability under T1190 (Exploit Public-Facing Application) and T1068 (Exploitation for Privilege Escalation), highlighting the importance of defending against externally accessible attack surfaces. Organizations should also conduct comprehensive vulnerability assessments to identify similar weaknesses in their communications infrastructure and ensure proper network architecture design that minimizes exposure to unauthorized access.