Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attac…

Published 8 y ago 2018-03-28 · modified 4 mo ago 2026-06-17 · JSON

CVSS

6.8

v3.1 · CNA

CISA KEV

Yes

added 2022-03-03

EPSS

4.9%

percentile 92%

Public exploits

none known

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.

Known exploited (CISA KEV)

Added: 4 y ago 2022-03-03
Due date: 2022-03-17 (4 y ago)
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Vendor / product: Cisco / IOS Software
CISA name: Cisco IOS Software Denial-of-Service Vulnerability

CISA SSVC assessment

Exploitation: Active — exploited in the wild
Automatable: no
Technical impact: partial
Assessed: 23 mo ago 2024-11-08

Exploit prediction (EPSS)

4.93% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CISA ADP	3.1	6.8	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H`
NVD	3.1	5.9	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H`
CNA	3.1	6.8	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H`
NVD	2.0	7.1	`AV:N/AC:M/Au:N/C:N/I:N/A:C`

Affected products

n/a Cisco IOS

Classification

Weakness

CWE-399 Resource Management Errors

Technology feeds

Cisco IOS (RSS, critical only)

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-slogin · x_refsource_CONFIRM, x_transferred
securityfocus.com /bid/103556 · vdb-entry, x_refsource_BID, x_transferred
cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0180 · government-resource

Sources

CVE List: CVE-2018-0180
NVD: CVE-2018-0180

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary