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CVE-2017-6742

Known Exploited (CISA KEV)HIGH
8.8
CVSS Severity Score
EPSS Score38.8990%
EPSS Percentile88.57th
PublishedJul 17, 2017
Last ModifiedApr 22, 2026

Vulnerability Description

A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute code. An attacker could exploit this vulnerability by sending a crafted SNMP packet to the affected device.  The vulnerability is due to a buffer overflow in the affected code area. The vulnerability affects all versions of SNMP (versions 1, 2c, and 3). The attacker must know the SNMP read only community string (SNMP version 2c or earlier) or the user credentials (SNMPv3). An exploit could allow the attacker to execute arbitrary code and obtain full control of the system or to cause a reload of the affected system. Only traffic directed to the affected system can be used to exploit this vulnerability.

Affected Platforms (CPE)

πŸ’»
Cisco

Ios

>= 12.0 and <= 12.4
πŸ’»
Cisco

Ios

>= 15.0 and <= 15.6
πŸ’»
Cisco

Ios Xe

>= 2.2.0 and <= 3.17

References & Advisories

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