CVE-2020-27385

Incorrect Access Control in the FileEditor (/Admin/Views/FileEditor/) in FlexDotnetCMS before v1.5.11 allows an authenticated remote attacker to read and write to existing files outside the web root. The files can be accessed via directory traversal, i.e., by entering a .. (dot dot) path such as ..\..\..\..\..\<file> in the input field of the FileEditor. In FlexDotnetCMS before v1.5.8, it is also possible to access files by specifying the full path (e.g., C:\<file>). The files can then be edited via the FileEditor.

CVSS v3.1

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

CVSS v2.0

5.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:N

EPSS

1.77% chance of exploitation in the next 30 days, 76th percentile

Published

2020-11-12

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://blog.vonahi.io/whats-in-a-re-name/

References

• CVE Record
• NVD entry

Related

• CVE-2020-27384
• CVE-2020-27386
• CVE-2020-27383
• CVE-2020-27387
• CVE-2020-27376
• CVE-2020-27397