{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-1173 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2020-1173 yet. Limit exposure of the affected software until one is available.","what":"CVE-2020-1173 is a medium-severity vulnerability in Microsoft Power BI Report Server, published on 21 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2020-1173 and fix it if it is affected.\n\nWhat it is: CVE-2020-1173 is a medium-severity vulnerability in Microsoft Power BI Report Server, published on 21 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2020-1173 in the wild and no public exploit code.\n\nAffected product: Microsoft Power BI Report Server. 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-2020-1173/ (Markdown: https://insights.sbomify.com/CVE-2020-1173/index.md)","id":"CVE-2020-1173","markdown":"https://insights.sbomify.com/CVE-2020-1173/index.md","name":"CVE-2020-1173","record":{"aliases":["GHSA-42v9-rj5j-m2v5"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["code_execution","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Power BI Report Server","requires_auth":"low_privilege","summary":"An authenticated attacker can upload a crafted payload to execute scripts in the victim's security context due to improper content-type validation.","user_interaction":"required","vuln_class":"file_upload"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"microsoft","cpe":[{"product":"power_bi_report_server","vendor":"microsoft"}],"cvss":{"score":6.8,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments. An authenticated attacker could exploit the vulnerability by uploading a specially crafted payload and sending it to the user.\nThe attacker who successfully exploited this vulnerability could then perform actions and run scripts in the security context of the user.\nThis security update addresses the vulnerability by ensuring Power BI Report Server properly validates content-type of the attachments when uploading and opening.","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":"Microsoft Power BI Report Server Spoofing Vulnerability","id":"CVE-2020-1173","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"file_upload","year":"2020"},"n_packages":0,"n_references":1,"next":{"headline":"Jet Database Engine Remote Code Execution Vulnerability","id":"CVE-2020-1174"},"packages":[],"prev":{"headline":"Scripting Engine Memory Corruption Vulnerability","id":"CVE-2020-1172"},"products":["Power BI Report Server"],"published":"2020-05-21","related":[{"cvss_score":8.8,"headline":"Power BI Remote Code Execution Vulnerability","id":"CVE-2026-65811","kev_date_added":null,"published":"2026-08-11"},{"cvss_score":8.2,"headline":"Power BI Report Server Spoofing Vulnerability","id":"CVE-2023-21806","kev_date_added":null,"published":"2023-02-14"},{"cvss_score":8,"headline":"Microsoft PowerBI Report Server Spoofing Vulnerability","id":"CVE-2026-58647","kev_date_added":null,"published":"2026-07-14"},{"cvss_score":8,"headline":"Power BI Remote Code Execution Vulnerability","id":"CVE-2026-21229","kev_date_added":null,"published":"2026-02-10"},{"cvss_score":7.7,"headline":"Microsoft Power BI Information Disclosure Vulnerability","id":"CVE-2021-26859","kev_date_added":null,"published":"2021-03-11"},{"cvss_score":7.6,"headline":"Power BI Report Server Spoofing Vulnerability","id":"CVE-2021-41372","kev_date_added":null,"published":"2021-11-10"},{"cvss_score":7.6,"headline":"Power BI Remote Code Execution Vulnerability","id":"CVE-2021-31984","kev_date_added":null,"published":"2021-07-14"}],"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":"2026-08-19","vendors":["Microsoft"]},"summary":"An authenticated attacker can upload a crafted payload to execute scripts in the victim's security context due to improper content-type validation.","url":"https://insights.sbomify.com/CVE-2020-1173/"}