Description Preview
CVE-2023-21974 affects Oracle Application Express Team Calendar Plugin versions 18.2-22.1, specifically in the User Account component. This easily exploitable vulnerability allows low privileged attackers with network access via HTTP to compromise the application. The attack requires human interaction from someone other than the attacker. While the vulnerability exists in the Team Calendar Plugin, successful exploitation can significantly impact additional products. Complete takeover of the Application Express Team Calendar Plugin is possible, affecting confidentiality, integrity, and availability.
Overview
This vulnerability in Oracle Application Express Team Calendar Plugin has a CVSS 3.1 Base Score of 9.0 (Critical), with the vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H. The vulnerability:
- Requires network access via HTTP
- Can be exploited by attackers with low privileges
- Needs user interaction for successful exploitation
- Has changed scope potential (can affect additional products)
- Impacts all three security pillars (confidentiality, integrity, and availability) at high levels
- Affects versions 18.2 through 22.1 of the Team Calendar Plugin
Remediation
Organizations should implement the following remediation steps:
- Apply the security patches provided in Oracle's July 2023 Critical Patch Update
- Update the Oracle Application Express Team Calendar Plugin to the latest patched version
- Implement proper access controls to limit network access to the application
- Train users to recognize and avoid potential phishing or social engineering attempts that could trigger the vulnerability
- Monitor systems for suspicious activities that might indicate exploitation attempts
- Consider implementing additional security layers such as web application firewalls if patching cannot be immediately applied
References
- Oracle Critical Patch Update Advisory - July 2023: https://www.oracle.com/security-alerts/cpujul2023.html
- Oracle Application Express documentation: https://apex.oracle.com/
- CVSS 3.1 Specification: https://www.first.org/cvss/specification-document
Industry ExposureMost to leastThis section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
- Arts, Entertainment & RecreationArts, Entertainment & Recreation
- UtilitiesUtilities
- Educational ServicesEducational Services
- Health Care & Social AssistanceHealth Care & Social Assistance
- Retail TradeRetail Trade
- Accommodation & Food ServicesAccommodation & Food Services
- Administrative, Support, Waste Management & Remediation ServicesAdministrative, Support, Waste Management & Remediation Services
- Agriculture, Forestry Fishing & HuntingAgriculture, Forestry Fishing & Hunting
- ConstructionConstruction
- Finance and InsuranceFinance and Insurance
- InformationInformation
- Management of Companies & EnterprisesManagement of Companies & Enterprises
- ManufacturingManufacturing
- MiningMining
- Other Services (except Public Administration)Other Services (except Public Administration)
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- Public AdministrationPublic Administration
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Transportation & WarehousingTransportation & Warehousing
- Wholesale TradeWholesale Trade
