What is CVE-2017-12233?

CVE-2017-12233 is a vulnerability in Cisco Ios, classified under Improper Input Validation. Published 2017-09-28.

Is CVE-2017-12233 known to be exploited?

Yes. CVE-2017-12233 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Improper input validation in Cisco Ios

CVE-2017-12233

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 s…

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

EPSS: 0.113 (93.7th percentile) — read the EPSS interpretation.

Affected products

N/a Cisco Ios — versions Cisco IOS

Weakness classification (CWE)

CWE-20 — Improper Input Validation

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-03-24.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927… (x_refsource_CONFIRM)
101038 (vdb-entry, x_refsource_BID)
1039459 (vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2017-12233?: CVE-2017-12233 is a vulnerability in Cisco Ios, classified under Improper Input Validation. Published 2017-09-28.
Is CVE-2017-12233 known to be exploited?: Yes. CVE-2017-12233 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.