Vulnerability Description
A vulnerability in the Topology Discovery Service of Cisco One Platform Kit (onePK) in Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient length restrictions when the onePK Topology Discovery Service parses Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol message to an affected device. An exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges, or to cause a process crash, which could result in a reload of the device and cause a DoS condition.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 12.2\(6\)i1 |
| Cisco | Ios Xe | 3.7.0e |
| Cisco | Ios Xr | All versions |
| Cisco | Nx-Os | 6.0\(2\)a |
| Cisco | Nexus 3016 | - |
| Cisco | Nexus 3016Q | - |
| Cisco | Nexus 3048 | - |
| Cisco | Nexus 3064 | - |
| Cisco | Nexus 3064T | - |
| Cisco | Nexus 3064X | - |
| Cisco | Nexus 5000 | - |
| Cisco | Nexus 5010 | - |
| Cisco | Nexus 5020 | - |
| Cisco | Nexus 6001 | - |
| Cisco | Nexus 6004 | - |
| Cisco | Nexus 6004X | - |
| Cisco | Nexus 7000 10-Slot | - |
| Cisco | Nexus 7000 18-Slot | - |
| Cisco | Nexus 7000 4-Slot | - |
| Cisco | Nexus 7000 9-Slot | - |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iPatchVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iPatchVendor Advisory
FAQ
What is CVE-2020-3217?
CVE-2020-3217 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability in the Topology Discovery Service of Cisco One Platform Kit (onePK) in Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthe...
How severe is CVE-2020-3217?
CVE-2020-3217 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-3217?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco Ios Xe, Cisco Ios Xr, Cisco Nx-Os, Cisco Nexus 3016.