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CVE-2017-12232: Cisco IOS Software for Cisco Integrated Services Routers Denial-of-Service Vulnerability
Cisco IOS software · in CISA KEV since 2022-03-03
2022-03-03added to KEV
2022-03-24federal remediation due date
2.15%EPSS exploit probability (30 days) 81.4th percentile
6.5 MEDIUMCVSS 3.1
Unknownknown ransomware use
1,616days from NVD publication to KEV
What it is
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-399 |
|---|---|
| CVSS vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD published | 2017-09-29 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2017-12232.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.