7.1

CVE-2018-0179: Cisco IOS Software Denial-of-Service Vulnerability

CVSS: 7.1v2.0HighKEVAnalyzed
Published 28-03-2018Last modified 12-01-2026

Vulnerability summary

CVE-2018-0179 is a high (CVSS 7.1) Resource Management Errors vulnerability in Cisco IOS Software. It is known to be exploited: CISA lists it, first on 03-03-2022. EPSS estimates a 4.93% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v2.0 (NVD)
EPSS score
4.93%
0%100%
Low · 0.00 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-03-2018
    PublishedVulnerability first disclosed.
  2. 03-03-2022
    Added to CISA KEVCisco IOS Software Denial-of-Service Vulnerability
  3. 17-03-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 12-01-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

4.93%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.93% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.93%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
03-03-2022
Federal due date
17-03-2022

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2018-0179

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco1 product
  • ios15.3\(00.00.19\)sy | 15.4\(01\)ia001.100 | 15.6\(01.22\)t | 15.4\(03\)m4.1 | 15.4\(2\)cg | 15.4\(2\)t | 15.4\(3\)m

1 vendor · 1 product

References

3 links