CVE-2017-6742
Actively exploited. CVE-2017-6742 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-04-19) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2017-6742 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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.
CSIRTS triage
- What
- A vulnerability in the SNMP subsystem could allow remote code execution or system reload.
- Who is affected
- Users of Cisco IOS and IOS XE are affected.
- Urgency
- Immediate remediation is necessary as the vulnerability is actively exploited and critical.
- Action
- Apply the latest security updates for Cisco IOS and IOS XE.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2017-6742 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2017-6742: Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerabilitycisa-kev · 2023-04-19
External references
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[](https://www.csirts.com/cve/CVE-2017-6742)