{"answers":{"affected":"It affects 5 products.","exploited":"There is no known exploitation of CVE-2020-1025 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2020-1025 yet. Limit exposure of the affected software until one is available.","what":"CVE-2020-1025 is a critical authentication bypass vulnerability in Microsoft Sharepoint Enterprise Server, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2020-1025 and fix it if it is affected.\n\nWhat it is: CVE-2020-1025 is a critical authentication bypass vulnerability in Microsoft Sharepoint Enterprise Server, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2020-1025 in the wild and no public exploit code.\n\nAffected product: Microsoft Sharepoint Enterprise 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-2020-1025/ (Markdown: https://insights.sbomify.com/CVE-2020-1025/index.md)","id":"CVE-2020-1025","markdown":"https://insights.sbomify.com/CVE-2020-1025/index.md","name":"CVE-2020-1025","record":{"aliases":["GHSA-5xrx-pfvm-p5p8"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["privilege_escalation","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"SharePoint and Skype Server","requires_auth":"none","summary":"Attackers can bypass authentication and gain improper access by modifying OAuth tokens in SharePoint and Skype for Business servers.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"microsoft","cpe":[{"product":"lync","vendor":"microsoft"},{"product":"sharepoint_enterprise_server","vendor":"microsoft"},{"product":"sharepoint_foundation","vendor":"microsoft"},{"product":"sharepoint_server","vendor":"microsoft"},{"product":"skype_for_business","vendor":"microsoft"}],"cvss":{"score":9.8,"severity":"critical","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access.\nTo exploit this vulnerability, an attacker would need to modify the token.\nThe update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.","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 Office Elevation of Privilege Vulnerability","id":"CVE-2020-1025","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"microsoft:sharepoint_enterprise_server","products":["microsoft:sharepoint_enterprise_server","microsoft:sharepoint_foundation","microsoft:sharepoint_server"],"type":"auth_bypass","year":"2020"},"n_packages":0,"n_references":1,"next":{"headline":"Incorrect Calculation in the MSR JavaScript Cryptography Library","id":"CVE-2020-1026"},"packages":[],"prev":{"headline":"Microsoft SharePoint Remote Code Execution Vulnerability","id":"CVE-2020-1024"},"products":["Microsoft Lync Server 2013","Microsoft SharePoint Enterprise Server 2016","Microsoft SharePoint Foundation 2013 Service Pack 1","Microsoft SharePoint Server 2019","Skype for Business Server 2015 CU 8","Skype for Business Server 2019  CU2"],"published":"2020-07-14","related":[{"cvss_score":9.3,"headline":"Use after free in n/a","id":"CVE-2013-1302","kev_date_added":null,"published":"2013-05-15"},{"cvss_score":9.3,"headline":"Path traversal in n/a","id":"CVE-2012-1849","kev_date_added":null,"published":"2012-06-12"},{"cvss_score":8.8,"headline":"Code injection in Microsoft Lync","id":"CVE-2018-8311","kev_date_added":null,"published":"2018-07-11"},{"cvss_score":8.8,"headline":"Auth bypass in Skype for Business","id":"CVE-2017-11786","kev_date_added":null,"published":"2017-10-13"},{"cvss_score":8.8,"headline":"Memory corruption in Uniscribe","id":"CVE-2017-0283","kev_date_added":null,"published":"2017-06-15"},{"cvss_score":8.8,"headline":"Memory corruption in Graphics","id":"CVE-2017-8527","kev_date_added":null,"published":"2017-06-15"}],"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":"2024-08-04","vendors":["Microsoft"]},"summary":"Attackers can bypass authentication and gain improper access by modifying OAuth tokens in SharePoint and Skype for Business servers.","url":"https://insights.sbomify.com/CVE-2020-1025/"}