What’s Vulnerable › Vulnerabilities

CVE-2013-1165

• 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: 2013-04-11 · updated 2026-06-16
• Weakness: CWE-20

Description

Cisco IOS XE 2.x and 3.x before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR) allows remote attackers to cause a denial of service (card reload) by sending many crafted L2TP packets, aka Bug ID CSCtz23293.

Affected products

• Cisco Asr 1001: all versions
• Cisco Asr 1002: all versions
• Cisco Asr 1002-X: all versions
• Cisco Asr 1002 Fixed Router: all versions
• Cisco Asr 1004: all versions
• Cisco Asr 1006: all versions
• Cisco Asr 1023 Router: all versions
• Cisco IOS XE: through 3.4.3s; 2.1.0, 2.1.1, 2.1.2, 2.2.1, 2.2.2, 2.2.3 (+24)

References

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130410-asr1000
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130410-asr1000

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