CVE-2017-10072 in FLEXCUBE Universal Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Universal Banking component of Oracle Financial Services Applications (subcomponent: All Modules). Supported versions that are affected are 11.3.0, 11.4.0, 12.0.1, 12.0.2, 12.0.3, 12.1.0, 12.2.0 and 12.3.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle FLEXCUBE Universal Banking accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Universal Banking accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 01/03/2021
The vulnerability identified as CVE-2017-10072 affects Oracle FLEXCUBE Universal Banking, a critical component within Oracle Financial Services Applications that serves as a foundational platform for banking operations. This vulnerability exists within the All Modules subcomponent and impacts multiple versions including 11.3.0 through 12.3.0, representing a significant attack surface across the FLEXCUBE product lifecycle. The flaw manifests as an authentication bypass mechanism that allows attackers with minimal privileges to gain unauthorized access to sensitive banking data and operations.
The technical nature of this vulnerability stems from insufficient access controls within the HTTP interface of the FLEXCUBE Universal Banking system. Attackers exploiting this weakness can leverage network-based access to perform unauthorized modifications to data through update, insert, and delete operations, while also gaining read access to specific subsets of data that should remain protected. This represents a classic case of inadequate privilege enforcement where the system fails to properly validate user permissions before granting access to sensitive resources. The vulnerability's classification as easily exploitable indicates that the attack vector requires minimal technical expertise and can be executed through standard network communication protocols.
From an operational perspective, the impact of this vulnerability extends beyond simple data exposure to encompass potential financial fraud and system integrity compromise. The CVSS 3.0 score of 5.4 reflects the balanced threat profile with moderate confidentiality and integrity impacts, though the actual business impact could be significantly higher depending on the specific banking operations affected. The vulnerability affects both read and write operations, meaning attackers could not only access sensitive customer information, transaction data, and system configurations but could also modify critical banking records. This dual capability of data access and modification creates substantial risk for financial institutions relying on FLEXCUBE for their core banking operations.
Organizations should implement immediate mitigations including network segmentation to limit access to FLEXCUBE components, enforcing strict firewall rules to restrict HTTP access to authorized personnel only, and applying the vendor-provided patches as soon as they become available. The vulnerability aligns with CWE-284 which addresses improper access control, and maps to ATT&CK techniques related to privilege escalation and credential access. Additional defensive measures should include implementing robust monitoring for unauthorized access attempts, conducting regular security assessments of the FLEXCUBE environment, and establishing incident response procedures specifically tailored to address banking system compromises. Given the financial services context, organizations should also consider regulatory compliance implications and potential audit requirements related to this vulnerability.