A vulnerability, which was classified as problematic, has been found in Cisco NX-OS (the affected version is unknown). Affected by this issue is an unknown function of the component SNMP. The manipulation with an unknown input leads to a denial of service vulnerability (Restart). Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The weakness was shared 10/17/2018 as cisco-sa-20181017-nxos-snmp as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2018-0456 since 11/26/2017. The attack may be launched remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/18/2018).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

CPE

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CVSSv3

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploiting

Class: Denial of service / Restart (CWE-404)
Local: No
Remote: Yes

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: no mitigation known
0-Day Time: 🔒

Timeline

11/26/2017 CVE assigned
10/17/2018 Advisory disclosed
10/18/2018 VulDB entry created
10/18/2018 VulDB last update

Sources

Advisory: cisco-sa-20181017-nxos-snmp
Status: Confirmed

CVE: CVE-2018-0456 (🔒)

Entry

Created: 10/18/2018
Complete: 🔍

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