CVE-2021-27990

7.5 highEPSS 1.4%

High (7.5) in appspace appspace. EPSS 1.4% chance of exploitation in the next 30 days.

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

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2021-04-14
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

appspace:appspace

References

https://github.com/syedsohaibkarim/PoC-BrokenAuth-AppSpace6.2.4
https://github.com/syedsohaibkarim/PoC-BrokenAuth-AppSpace6.2.4

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