Is CVE-2017-6740 actively exploited?

Yes. CVE-2017-6740 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2017-6740 be exploited remotely?

The attack vector of CVE-2017-6740 has not been classified yet.

What is the CVSS score of CVE-2017-6740?

CVE-2017-6740 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2017-6740

HIGHCISA KEVIN THE WILD

CVE-2017-6740

Published: March 3, 2022

EPSS:24.27%probability of exploitation in 30 daysPercentile:96.0th

Official Description

The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload.

NVD Source

CISA KEV Advisory

Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability

Added to KEV: 2022-03-03Federal patch deadline: 2022-03-24

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

A vulnerability in the SNMP subsystem of Cisco IOS and IOS XE could allow an authenticated, remote attacker to execute code or cause a system reload. The high EPSS score and confirmed exploitation by CISA indicate this is a critical vulnerability requiring immediate attention. This flaw is rated as HIGH severity.

This vulnerability is actively being exploited in the wild. As it affects the SNMP subsystem, it is remotely exploitable by an authenticated attacker.

Recommended Action

Cisco IOS and IOS XE users should apply available patches to address this SNMP vulnerability. Implement strong access controls and monitor SNMP traffic for suspicious activity.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2017-6740 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2017-6740 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.