Vulnerability Monitor

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CVE-2018-15321


When BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.2.1-11.5.6, BIG-IQ Centralized Management 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, iWorkflow 2.1.0-2.3.0, or Enterprise Manager 3.1.1 is licensed for Appliance Mode, Admin and Resource administrator roles can by-pass BIG-IP Appliance Mode restrictions to overwrite critical system files. Attackers of high privilege level are able to overwrite critical system files which bypasses security controls in place to limit TMSH commands. This is possible with an administrator or resource administrator roles when granted TMSH. Resource administrator roles must have TMSH access in order to perform this attack.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.9, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 17 products from f5, from f5, from f5 and 14 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2018-10-31T14:29:00.470

Last Modified

2024-11-21T03:50:33.440

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-269

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application f5 big-ip_local_traffic_manager ≤ 11.5.6 Yes
Application f5 big-ip_local_traffic_manager ≤ 11.6.3.2 Yes
Application f5 big-ip_local_traffic_manager ≤ 12.1.3.5 Yes
Application f5 big-ip_local_traffic_manager ≤ 13.1.0.7 Yes
Application f5 big-ip_local_traffic_manager ≤ 14.0.0.2 Yes
Application f5 big-ip_advanced_firewall_manager ≤ 11.5.6 Yes
Application f5 big-ip_advanced_firewall_manager ≤ 11.6.3.2 Yes
Application f5 big-ip_advanced_firewall_manager ≤ 12.1.3.5 Yes
Application f5 big-ip_advanced_firewall_manager ≤ 13.1.0.7 Yes
Application f5 big-ip_advanced_firewall_manager ≤ 14.0.0.2 Yes
Application f5 big-ip_application_acceleration_manager ≤ 11.5.6 Yes
Application f5 big-ip_application_acceleration_manager ≤ 11.6.3.2 Yes
Application f5 big-ip_application_acceleration_manager ≤ 12.1.3.5 Yes
Application f5 big-ip_application_acceleration_manager ≤ 13.1.0.7 Yes
Application f5 big-ip_application_acceleration_manager ≤ 14.0.0.2 Yes
Application f5 big-ip_analytics ≤ 11.5.6 Yes
Application f5 big-ip_analytics ≤ 11.6.3.2 Yes
Application f5 big-ip_analytics ≤ 12.1.3.5 Yes
Application f5 big-ip_analytics ≤ 13.1.0.7 Yes
Application f5 big-ip_analytics ≤ 14.0.0.2 Yes
Application f5 big-ip_access_policy_manager ≤ 11.5.6 Yes
Application f5 big-ip_access_policy_manager ≤ 11.6.3.2 Yes
Application f5 big-ip_access_policy_manager ≤ 12.1.3.5 Yes
Application f5 big-ip_access_policy_manager ≤ 13.1.0.7 Yes
Application f5 big-ip_access_policy_manager ≤ 14.0.0.2 Yes
Application f5 big-ip_protocol_security_module ≤ 11.5.6 Yes
Application f5 big-ip_protocol_security_module ≤ 11.6.3.2 Yes
Application f5 big-ip_protocol_security_module ≤ 12.1.3.5 Yes
Application f5 big-ip_protocol_security_module ≤ 13.1.0.7 Yes
Application f5 big-ip_protocol_security_module ≤ 14.0.0.2 Yes
Application f5 big-ip_domain_name_system ≤ 11.5.6 Yes
Application f5 big-ip_domain_name_system ≤ 11.6.3.2 Yes
Application f5 big-ip_domain_name_system ≤ 12.1.3.5 Yes
Application f5 big-ip_domain_name_system ≤ 13.1.0.7 Yes
Application f5 big-ip_domain_name_system ≤ 14.0.0.2 Yes
Application f5 big-ip_edge_gateway ≤ 11.5.6 Yes
Application f5 big-ip_edge_gateway ≤ 11.6.3.2 Yes
Application f5 big-ip_edge_gateway ≤ 12.1.3.5 Yes
Application f5 big-ip_edge_gateway ≤ 13.1.0.7 Yes
Application f5 big-ip_edge_gateway ≤ 14.0.0.2 Yes
Application f5 big-ip_fraud_protection_service ≤ 11.5.6 Yes
Application f5 big-ip_fraud_protection_service ≤ 11.6.3.2 Yes
Application f5 big-ip_fraud_protection_service ≤ 12.1.3.5 Yes
Application f5 big-ip_fraud_protection_service ≤ 13.1.0.7 Yes
Application f5 big-ip_fraud_protection_service ≤ 14.0.0.2 Yes
Application f5 big-ip_global_traffic_manager ≤ 11.5.6 Yes
Application f5 big-ip_global_traffic_manager ≤ 11.6.3.2 Yes
Application f5 big-ip_global_traffic_manager ≤ 12.1.3.5 Yes
Application f5 big-ip_global_traffic_manager ≤ 13.1.0.7 Yes
Application f5 big-ip_global_traffic_manager ≤ 14.0.0.2 Yes
Application f5 big-ip_link_controller ≤ 11.5.6 Yes
Application f5 big-ip_link_controller ≤ 11.6.3.2 Yes
Application f5 big-ip_link_controller ≤ 12.1.3.5 Yes
Application f5 big-ip_link_controller ≤ 13.1.0.7 Yes
Application f5 big-ip_link_controller ≤ 14.0.0.2 Yes
Application f5 big-ip_policy_enforcement_manager ≤ 11.5.6 Yes
Application f5 big-ip_policy_enforcement_manager ≤ 11.6.3.2 Yes
Application f5 big-ip_policy_enforcement_manager ≤ 12.1.3.5 Yes
Application f5 big-ip_policy_enforcement_manager ≤ 13.1.0.7 Yes
Application f5 big-ip_policy_enforcement_manager ≤ 14.0.0.2 Yes
Application f5 big-ip_webaccelerator ≤ 11.5.6 Yes
Application f5 big-ip_webaccelerator ≤ 11.6.3.2 Yes
Application f5 big-ip_webaccelerator ≤ 12.1.3.5 Yes
Application f5 big-ip_webaccelerator ≤ 13.1.0.7 Yes
Application f5 big-ip_webaccelerator ≤ 14.0.0.2 Yes
Application f5 enterprise_manager 3.1.1 Yes
Application f5 big-iq_centralized_management ≤ 5.4.0 Yes
Application f5 big-iq_centralized_management 4.6.0 Yes
Application f5 big-iq_cloud_and_orchestration 1.0.0 Yes
Application f5 iworkflow ≤ 2.3.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For f5's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.