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CVE-2017-6736: Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2017-6736
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Ciscoproduct: IOS and IOS XE SoftwareRemote code execution
What
The SNMP subsystem of Cisco IOS and IOS XE contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code.
Who is affected
Users of Cisco IOS and IOS XE Software are affected by this vulnerability.
Urgency
Remediation is urgent as the vulnerability is critical and actively exploited.
Action
Install the latest patches for Cisco IOS and IOS XE Software.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-6736

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2017-6736coverage & exploitation statusNVD · CVE.org

Recent advisories for Cisco IOS and

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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