{"answers":{"affected":"It affects 13 products.","exploited":"There is no known exploitation of CVE-2018-5520 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2018-5520 yet. Limit exposure of the affected software until one is available.","what":"CVE-2018-5520 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 2 May 2018. An attacker needs administrator access to exploit it, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2018-5520 and fix it if it is affected.\n\nWhat it is: CVE-2018-5520 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 2 May 2018. An attacker needs administrator access to exploit it, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2018-5520 in the wild and no public exploit code.\n\nAffected product: F5 Big-Ip Access Policy Manager. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2018-5520/ (Markdown: https://insights.sbomify.com/CVE-2018-5520/index.md)","id":"CVE-2018-5520","markdown":"https://insights.sbomify.com/CVE-2018-5520/index.md","name":"CVE-2018-5520","record":{"aliases":["GHSA-9pmr-j55p-8757"],"analysis":{"component_type":"network_device","fix_type":"patch","impacts":["data_read","security_bypass"],"network_reachable":"yes","non_default_config":true,"product_category":"F5 BIG-IP","requires_auth":"high_privilege","summary":"Administrative users can bypass Appliance mode restrictions to access unauthorized file system resources via the dig utility.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"f5","cpe":[{"product":"big-ip_access_policy_manager","vendor":"f5"},{"product":"big-ip_advanced_firewall_manager","vendor":"f5"},{"product":"big-ip_analytics","vendor":"f5"},{"product":"big-ip_application_acceleration_manager","vendor":"f5"},{"product":"big-ip_application_security_manager","vendor":"f5"},{"product":"big-ip_domain_name_system","vendor":"f5"},{"product":"big-ip_edge_gateway","vendor":"f5"},{"product":"big-ip_global_traffic_manager","vendor":"f5"},{"product":"big-ip_link_controller","vendor":"f5"},{"product":"big-ip_local_traffic_manager","vendor":"f5"},{"product":"big-ip_policy_enforcement_manager","vendor":"f5"},{"product":"big-ip_webaccelerator","vendor":"f5"},{"product":"big-ip_websafe","vendor":"f5"}],"cvss":{"score":4.4,"severity":"medium","source":"nvd","vector":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.0"},"cwes":[{"id":"CWE-863","name":"Incorrect Authorization"}],"description":"On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-11.6.3.1 system configured in Appliance mode, the TMOS Shell (tmsh) may allow an administrative user to use the dig utility to gain unauthorized access to file system resources.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Security feature bypass in BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe)","id":"CVE-2018-5520","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"f5:big-ip_access_policy_manager","products":["f5:big-ip_access_policy_manager","f5:big-ip_advanced_firewall_manager","f5:big-ip_analytics","f5:big-ip_application_acceleration_manager","f5:big-ip_application_security_manager","f5:big-ip_domain_name_system","f5:big-ip_edge_gateway","f5:big-ip_global_traffic_manager","f5:big-ip_link_controller","f5:big-ip_local_traffic_manager","f5:big-ip_policy_enforcement_manager","f5:big-ip_webaccelerator","f5:big-ip_websafe"],"type":"security_feature_bypass","year":"2018"},"n_packages":0,"n_references":2,"next":{"headline":"Cross-site scripting in BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)","id":"CVE-2018-5521"},"packages":[],"prev":{"headline":"Path traversal in BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe)","id":"CVE-2018-5519"},"products":["BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe)"],"published":"2018-05-02","related":[{"cvss_score":9.8,"headline":"F5 BIG-IP Configuration Utility Authentication Bypass","id":"CVE-2023-46747","kev_date_added":"2023-10-31","published":"2023-10-26"},{"cvss_score":9.8,"headline":"F5 BIG-IP Missing Authentication","id":"CVE-2022-1388","kev_date_added":"2022-05-10","published":"2022-05-05"},{"cvss_score":9.8,"headline":"F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution","id":"CVE-2021-22986","kev_date_added":"2021-11-03","published":"2021-03-31"},{"cvss_score":9.8,"headline":"F5 BIG-IP Traffic Management Microkernel Buffer Overflow","id":"CVE-2021-22991","kev_date_added":"2022-01-18","published":"2021-03-31"},{"cvss_score":9.8,"headline":"F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution","id":"CVE-2020-5902","kev_date_added":"2021-11-03","published":"2020-07-01"},{"cvss_score":9.3,"headline":"F5 BIG-IP APM Heap-based Buffer Overflow","id":"CVE-2026-94127","kev_date_added":"2026-09-22","published":"2026-09-22"},{"cvss_score":9.3,"headline":"F5 BIG-IP Stack-Based Buffer Overflow","id":"CVE-2025-53521","kev_date_added":"2026-03-27","published":"2025-10-15"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-09-16","vendors":["F5 Networks, Inc."]},"summary":"Administrative users can bypass Appliance mode restrictions to access unauthorized file system resources via the dig utility.","url":"https://insights.sbomify.com/CVE-2018-5520/"}