NFS allows users to use a "cd .." command to access other directories besides the exported file system.
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0166
Source: Mitre, NVD
Published: 1997-01-01
Updated: 2022-08-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical