VULNERABILITY INTELLIGENCE
CVE-2013-1147
CVSS score7.8 HIGH
EPSS probability1.33%
CISA KEVNot currently listed
Published2013-03-28
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Description
The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
Primary references
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory