Schweitzer Engineering Laboratories (SEL) SEL-2241, SEL-3505, and SEL-3530 RTAC master devices allow physically proximate attackers to cause a denial of service (infinite loop) via crafted input over a serial line.
http://ics-cert.us-cert.gov/advisories/ICSA-13-219-01
Source: Mitre, NVD
Published: 2013-08-09
Updated: 2013-08-12
Base Score: 4.7
Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High