Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662.
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html
Source: Mitre, NVD
Published: 2014-04-23
Updated: 2026-06-16
Base Score: 6.8
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00363