CVE-2017-12231—Cisco IOS Software Network Address Translation Denial-of-Service Vulnerability

PUBLISHEDvulnerability record
2022-03-03 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2017-12231
Project:
Cisco
Product:
IOS software
Date Added:
2022-03-03
Due Date:
2022-03-24
Last Updated:
June 21, 2025

Vulnerability Name

Cisco IOS Software Network Address Translation Denial-of-Service Vulnerability

Description

A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS could allow an unauthenticated, remote attacker to cause a denial of service.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2017-12231

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