CVE-2018-0171

criticalknown exploitedpublic exploitcovered by 1 sourcefirst seen 2021-11-03

Actively exploited. CVE-2018-0171 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — 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-2018-0171 is indexed in Exploit-DB, GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.

Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.

CSIRTS triage

What: The vulnerability allows an unauthenticated remote attacker to trigger a device reload, cause a DoS condition, or execute code.
Who is affected: Devices running Cisco IOS and IOS XE Software are affected.
Urgency: Remediation is urgent as the vulnerability is actively exploited and poses critical risks.
Action: Install the latest updates from Cisco.

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 100% of all EPSS-scored CVEs.

Exploit availability

Public exploit or proof-of-concept code for CVE-2018-0171 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.

Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗

Advisory coverage (1)

criticalexploitedCVE-2018-0171: Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerabilitycisa-kev · 2021-11-03

External references

NVD record for CVE-2018-0171

CVE.org record

CISA KEV catalog

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