SARA / Free Tools / CVE / CVE-2018-0156

CVE-2018-0156 — Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vul

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validatio

CVSS
EPSS
15.53% (top 5.40%)
CWE
CWE-399
Published
2018-03-28T22:00:00.000Z
Last modified
2026-01-12T21:54:00.542Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2022-03-03
BOD 22-01 due
2022-03-17
Ransomware use
Unknown

01What is this vulnerability?

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP…

02Affected products

VendorProductVersions
na / Cisco IOS and IOS XECisco IOS and IOS XE

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-03. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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