What’s Vulnerable › Vulnerabilities

CVE-2014-3396

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-10-05 · updated 2026-06-17
• Weakness: CWE-264

Description

Cisco IOS XR on ASR 9000 devices does not properly use compression for port-range and address-range encoding, which allows remote attackers to bypass intended Typhoon line-card ACL restrictions via transit traffic, aka Bug ID CSCup30133.

Affected products

• Cisco Asr 9000 Rsp440 Router: all versions
• Cisco Asr 9001: all versions
• Cisco Asr 9006: all versions
• Cisco Asr 9010: all versions
• Cisco Asr 9904: all versions
• Cisco Asr 9912: all versions
• Cisco Asr 9922: all versions
• Cisco IOS XR Software: all versions

References

• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3396
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3396

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