Findings

CVE-2018-0180

Cisco IOS Software Denial-of-Service Vulnerability

Published Mar 28, 2018 · updated Jun 16, 2026 · cisco ios

Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices that are running Cisco IOS Software Release 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later. Cisco Bug IDs: CSCuy32360, CSCuz60599.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 28, 2018 · Catalog

    Detected

    Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices that are running Cisco IOS Software Release 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later. Cisco Bug IDs: CSCuy32360, CSCuz6

  2. Mar 3, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Mar 17, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices that are running Cisco IOS Software Release 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later. Cisco Bug IDs: CSCuy32360, CSCuz6

Required action

Apply updates per vendor instructions.

CISA due date Mar 17, 2022

Affected

  • cpe cisco/ios15.3\(00.00.19\)sy
  • cpe cisco/ios15.4\(01\)ia001.100
  • cpe cisco/ios15.4\(03\)m4.1
  • cpe cisco/ios15.4\(2\)cg
  • cpe cisco/ios15.4\(2\)t
  • cpe cisco/ios15.4\(3\)m
  • cpe cisco/ios15.6\(01.22\)t
  • vendor Cisco IOS Softwareversion unspecified

Sources

  • CISA KEVCVE-2018-0180

    A vulnerability in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition.

    cisa.gov
  • CVE.orgCVE-2018-0180

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2018-0180

    30-day exploitation probability 4.9%

    first.org
  • NIST NVDCVE-2018-0180

    Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices t

    nvd.nist.gov

References

CVE-2018-0180 · ZeroDay Findings