CVE-2013-1147

HighCVSS 7.8/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-119

Affected software

No affected versions have been published.

Timeline

Published: Mar 28, 2013
Last modified: Jun 16, 2026
NVD status: Modified

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