What’s Vulnerable › Vulnerabilities

CVE-2013-5545

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-10-31 · updated 2026-06-16
• Weakness: CWE-20

Description

The PPTP ALG implementation in Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) by sending many PPTP packets over NAT, aka Bug ID CSCuh19936.

Affected products

• Cisco Asr 1001: all versions
• Cisco Asr 1002: all versions
• Cisco Asr 1002-X: all versions
• Cisco Asr 1004: all versions
• Cisco Asr 1006: all versions
• Cisco Asr 1023 Router: all versions
• Cisco IOS XE: 3.9.0s, 3.9.1s

References

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131030-asr1000
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131030-asr1000

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