Vulnerability Description
The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via large TCP packets that are processed by the (1) NAT or (2) ALG component, aka Bug ID CSCud72509.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios Xe | 3.7.0s |
| Cisco | Asr 1001 | - |
| Cisco | Asr 1002 | - |
| Cisco | Asr 1002-X | - |
| Cisco | Asr 1004 | - |
| Cisco | Asr 1006 | - |
| Cisco | Asr 1023 Router | - |
Related Weaknesses (CWE)
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor Advisory
FAQ
What is CVE-2013-5546?
CVE-2013-5546 is a vulnerability with a CVSS score of 7.8 (HIGH). The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via large TCP packets that a...
How severe is CVE-2013-5546?
CVE-2013-5546 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-5546?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xe, Cisco Asr 1001, Cisco Asr 1002, Cisco Asr 1002-X, Cisco Asr 1004.