CVE-2018-0179: Cisco IOS Software Denial-of-Service Vulnerability
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.
Timeline
- 28-03-2018PublishedVulnerability first disclosed.
- 03-03-2022Added to CISA KEVCisco IOS Software Denial-of-Service Vulnerability
- 17-03-2022CISA remediation dueApply updates per vendor instructions.
- 12-01-2026Last 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- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
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
Known exploited
Compare KEV catalogs- 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 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-sloginX Refsource CONFIRMVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0179Government ResourceUS Government Resource