CVE-2013-1147: cisco ios
Vulnerability summary
CVE-2013-1147 is a high (CVSS 7.8) vulnerability in cisco ios. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.7% of scored vulnerabilities.
Timeline
- 28-03-2013PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.33%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.33% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- ios12.3 | 12.4 | 15.0 | 15.1 | 15.2 | 15.3
1 vendor · 1 product
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-ptVendor AdvisoryX Refsource CISCO