Multiple vulnerabilities in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerabilities are due to the improper parsing of crafted CIP packets destined to an affected device. An attacker could exploit these vulnerabilities by sending crafted CIP packets to be processed by an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuz95334.
Published 2017-09-29 01:34:49
Updated 2019-10-09 23:22:34
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

CVE-2017-12233 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Cisco IOS Software Common Industrial Protocol Request Denial-of-Service Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
There is a vulnerability in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.
Added on 2022-03-03 Action due date 2022-03-24

Exploit prediction scoring system (EPSS) score for CVE-2017-12233

Probability of exploitation activity in the next 30 days: 0.43%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 74 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-12233

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.8
HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
NIST
7.5
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2017-12233

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by:
    • nvd@nist.gov (Primary)
    • ykramarz@cisco.com (Secondary)

References for CVE-2017-12233

Products affected by CVE-2017-12233

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