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Unrated severityNVD Advisory· Published Mar 28, 2013· Updated Jun 16, 2026

CVE-2013-1147

CVE-2013-1147

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.

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Affected products

7
  • Cisco Systems, Inc./Cisco iOS7 versions
    cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:*
    • (no CPE)range: >=12.3 <=12.4, >=15.0 <=15.3

Patches

Vulnerability mechanics

References

1

News mentions

0

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