CVE-2018-0179 | BDVDB-2026-98447 Detail

Cisco IOS

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-399

References#

Exploit#

No public exploit known

History#

Version 12018-03-28Record published in the CVE List.
Version 22026-01-12Most recent update recorded in the CVE List.

Published

Published: 2018-03-28
Last modified: 2026-01-12

Vendor information

Vendor: Not stated
Product: Cisco IOS

Score

6.8 Medium

EPSS

4.9%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 92.2.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

Apply updates per vendor instructions.

Affected Systems

Vulnerable
Cisco IOS
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.8 Medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).