{"id":"CVE-2021-27990","title":"Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed with layouts, menus and functionalities.","summary":"Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed with layouts, menus and functionalities.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-287"],"vendor":"appspace","product":"appspace","affected":["appspace = 6.2.4"],"published":"2021-04-14","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-27990","references":[{"url":"https://github.com/syedsohaibkarim/PoC-BrokenAuth-AppSpace6.2.4","label":"cve@mitre.org"},{"url":"http://appspace.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/syedsohaibkarim/PoC-BrokenAuth-AppSpace6.2.4","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01436,"epssPercentile":0.71995,"ingestedAt":"2026-07-05T00:59:25.848Z","slug":"CVE-2021-27990","body":"## Overview\n\nAppspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed with layouts, menus and functionalities.\n\n## Affected\n\n- `appspace = 6.2.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}