{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-40186 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-40186 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-40186 is a medium-severity server-side request forgery vulnerability in Dnnsoftware Dotnetnuke, published on 31 May 2022. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-40186 and fix it if it is affected.\n\nWhat it is: CVE-2021-40186 is a medium-severity server-side request forgery vulnerability in Dnnsoftware Dotnetnuke, published on 31 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-40186 in the wild and no public exploit code.\n\nAffected product: Dnnsoftware Dotnetnuke. 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-2021-40186/ (Markdown: https://insights.sbomify.com/CVE-2021-40186/index.md)","id":"CVE-2021-40186","markdown":"https://insights.sbomify.com/CVE-2021-40186/index.md","name":"CVE-2021-40186","record":{"aliases":["GHSA-7fc9-x7pv-7jmw"],"analysis":{"component_type":"web_application","fix_type":"patch","impacts":["data_read","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"DNN CMS","requires_auth":"low_privilege","summary":"Attackers can exploit SSRF in DNN CMS to make unauthorized network requests, potentially accessing internal systems or cloud metadata.","user_interaction":"not_required","vuln_class":"ssrf"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"AppCheck","cpe":[{"product":"dotnetnuke","vendor":"dnnsoftware"}],"cvss":{"score":6.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-918","name":"Server-Side Request Forgery"}],"description":"The AppCheck research team identified a Server-Side Request Forgery (SSRF) vulnerability within the DNN CMS platform, formerly known as DotNetNuke. SSRF vulnerabilities allow the attacker to exploit the target system to make network requests on their behalf, allowing a range of possible attacks. In the most common scenario, the attacker exploits SSRF vulnerabilities to attack systems behind the firewall and access sensitive information from Cloud Provider metadata services.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"DNN CMS Server-Side Request Forgery (SSRF)","id":"CVE-2021-40186","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"dnnsoftware:dotnetnuke","products":["dnnsoftware:dotnetnuke"],"type":"ssrf","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"File upload in n/a","id":"CVE-2021-40188"},"packages":[],"prev":{"headline":"Information disclosure in n/a","id":"CVE-2021-40180"},"products":["DNN Platform"],"published":"2022-05-31","related":[{"cvss_score":8.8,"headline":"DotNetNuke (DNN) Remote Code Execution","id":"CVE-2017-9822","kev_date_added":"2021-11-03","published":"2017-07-20"},{"cvss_score":7.5,"headline":"DotNetNuke (DNN) Inadequate Encryption Strength","id":"CVE-2018-15811","kev_date_added":"2021-11-03","published":"2019-07-03"},{"cvss_score":7.5,"headline":"DotNetNuke (DNN) Inadequate Encryption Strength","id":"CVE-2018-18325","kev_date_added":"2021-11-03","published":"2019-07-03"},{"cvss_score":10,"headline":"DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite","id":"CVE-2025-64095","kev_date_added":null,"published":"2025-10-28"},{"cvss_score":10,"headline":"Privilege escalation in n/a","id":"CVE-2006-3601","kev_date_added":null,"published":"2006-07-14"},{"cvss_score":9.8,"headline":"The installation wizard in DotNetNuke (DNN) allows privilege escalation","id":"CVE-2015-2794","kev_date_added":null,"published":"2017-02-06"},{"cvss_score":9.1,"headline":"DotNetNuke.Core Vulnerable to Stored XSS via Module Title","id":"CVE-2026-24838","kev_date_added":null,"published":"2026-01-27"}],"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":"2024-08-04","vendors":["DNNSoftware"]},"summary":"Attackers can exploit SSRF in DNN CMS to make unauthorized network requests, potentially accessing internal systems or cloud metadata.","url":"https://insights.sbomify.com/CVE-2021-40186/"}