What is CVE-2017-12223?

CVE-2017-12223 is a medium-severity vulnerability in Cisco Ir800 Integrated Services Router, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2017-09-07.

How severe is CVE-2017-12223?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Improper input validation in Cisco Ir800 Integrated Services Router

CVE-2017-12223

A vulnerability in the ROM Monitor (ROMMON) code of Cisco IR800 Integrated Services Router Software could allow an unauthenticated, local attacker to boot an unsigned Hypervisor on an affected device and compromise the integrity of the system. The vulnerability is due to insufficient sanitization of user input. An attacker who can access an affected router via the console could exploit this vulnerability by entering ROMMON mode and modifying ROMMON variables. A successful exploit could allow the attacker to execute arbitrary code and install a malicious version of Hypervisor firmware on an affected device. Cisco Bug IDs: CSCvb44027.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-09-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.7th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Cisco Ir800 Integrated Services Router
Cisco Ir800 Integrated Services Router Firmware
Cisco Ir800 Integrated Services Router — versions Cisco IR800 Integrated Services Router

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906… (Vendor Advisory)
www.securitytracker.com/id/1039275 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/100689 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-12223?: CVE-2017-12223 is a medium-severity vulnerability in Cisco Ir800 Integrated Services Router, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2017-09-07.
How severe is CVE-2017-12223?: Medium severity. CVSS v3 base score is 6.4 out of 10.