Emacs 20 does not properly set permissions for a slave PTY device when starting a new subprocess, which allows local users to read or modify communications between Emacs and the subprocess.
http://www.securityfocus.com/templates/archive.pike?list=1&date=2000-04-15&msg=tg4s8zioxq.fsf%40mercury.rus.uni-stuttgart.de
http://www.securityfocus.com/bid/1125
Source: Mitre, NVD
Published: 2000-04-18
Updated: 2026-06-16
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 7.1
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity: High
EPSS: 0.00069