Vulnerability Intelligence Report
Cisco IOS Software Denial-of-Service Vulnerability
CVE-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 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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
6.8
MEDIUM
Exploitability:2.3
Impact Score:4.0
EPSS Probability:5.05%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-399 ↗CWE-399
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| cisco | ios | 15.3\(00.00.19\)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 |
| cisco | 3925_integrated_services_router | all |
| cisco | 3925e_integrated_services_router | all |
| cisco | 3945_integrated_services_router | all |
| cisco | 3945e_integrated_services_router | all |
| cisco | 1000_integrated_services_router | all |
| cisco | 1100-4g\/6g_integrated_services_router | all |
| cisco | 1100-4g_integrated_services_router | all |
| cisco | 1100-4gltegb_integrated_services_router | all |
| cisco | 1100-4gltena_integrated_services_router | all |
| cisco | 1100-4p_integrated_services_router | all |
| cisco | 1100-6g_integrated_services_router | all |
| cisco | 1100-8p_integrated_services_router | all |
| cisco | 1100-lte_integrated_services_router | all |
| cisco | 1100_integrated_services_router | all |
| cisco | 1101-4p_integrated_services_router | all |
| cisco | 1101_integrated_services_router | all |
| cisco | 1109-2p_integrated_services_router | all |
| cisco | 1109-4p_integrated_services_router | all |
| cisco | 1109_integrated_services_router | all |
| cisco | 1111x-8p_integrated_services_router | all |
| cisco | 1111x_integrated_services_router | all |
| cisco | 111x_integrated_services_router | all |
| cisco | 1120_integrated_services_router | all |
| cisco | 1131_integrated_services_router | all |
| cisco | 1160_integrated_services_router | all |
| cisco | 1801_integrated_service_router | all |
| cisco | 1802_integrated_service_router | all |
| cisco | 1803_integrated_service_router | all |
| cisco | 1811_integrated_service_router | all |
| cisco | 1812_integrated_service_router | all |
| cisco | 1841_integrated_service_router | all |
| cisco | 1861_integrated_service_router | all |
| cisco | 1905_integrated_services_router | all |
| cisco | 1906c_integrated_services_router | all |
| cisco | 1921_integrated_services_router | all |
| cisco | 1941_integrated_services_router | all |
| cisco | 1941w_integrated_services_router | all |
| cisco | 4000_integrated_services_router | all |
| cisco | 422_integrated_services_router | all |
| cisco | 4221_integrated_services_router | all |
| cisco | 4321\/k9-rf_integrated_services_router | all |
| cisco | 4321\/k9-ws_integrated_services_router | all |
| cisco | 4321\/k9_integrated_services_router | all |
| cisco | 4321_integrated_services_router | all |
| cisco | 4331\/k9-rf_integrated_services_router | all |
| cisco | 4331\/k9-ws_integrated_services_router | all |
| cisco | 4331\/k9_integrated_services_router | all |
| cisco | 4331_integrated_services_router | all |
| cisco | 4351\/k9-rf_integrated_services_router | all |
| cisco | 4351\/k9-ws_integrated_services_router | all |
| cisco | 4351\/k9_integrated_services_router | all |
| cisco | 4431_integrated_services_router | all |
| cisco | 44461_integrated_services_router | all |
| cisco | 4451-x_integrated_services_router | all |
| cisco | 4451_integrated_services_router | all |
| cisco | 4461_integrated_services_router | all |
| cisco | 8101-32fh | all |
| cisco | 8101-32h | all |
| cisco | 8102-64h | all |
| cisco | 8201 | all |
| cisco | 8201-32fh | all |
| cisco | 8202 | all |
| cisco | 8208 | all |
| cisco | 8212 | all |
| cisco | 8218 | all |
| cisco | 8800_12-slot | all |
| cisco | 8800_18-slot | all |
| cisco | 8800_4-slot | all |
| cisco | 8800_8-slot | all |
| cisco | 8804 | all |
| cisco | 8808 | all |
| cisco | 8812 | all |
| cisco | 8818 | all |
| cisco | 8831 | all |
| cisco | asr_1000 | all |
| cisco | asr_1000-esp100 | all |
| cisco | asr_1000-esp100-x | all |
| cisco | asr_1000-esp200-x | all |
| cisco | asr_1000-x | all |
| cisco | asr_1001 | all |
| cisco | asr_1001-hx | all |
| cisco | asr_1001-hx_r | all |
| cisco | asr_1001-x | all |
| cisco | asr_1001-x_r | all |
| cisco | asr_1002 | all |
| cisco | asr_1002-hx | all |
| cisco | asr_1002-hx_r | all |
| cisco | asr_1002-x | all |
| cisco | asr_1002-x_r | all |
| cisco | asr_1004 | all |
| cisco | asr_1006 | all |
| cisco | asr_1006-x | all |
| cisco | asr_1009-x | all |
| cisco | asr_1013 | all |
| cisco | asr_1023 | all |
| cisco | catalyst_3650 | all |
| cisco | catalyst_3650-12x48fd-e | all |
| cisco | catalyst_3650-12x48fd-l | all |
| cisco | catalyst_3650-12x48fd-s | all |
| cisco | catalyst_3650-12x48uq | all |
| cisco | catalyst_3650-12x48uq-e | all |
| cisco | catalyst_3650-12x48uq-l | all |
| cisco | catalyst_3650-12x48uq-s | all |
| cisco | catalyst_3650-12x48ur | all |
| cisco | catalyst_3650-12x48ur-e | all |
| cisco | catalyst_3650-12x48ur-l | all |
| cisco | catalyst_3650-12x48ur-s | all |
| cisco | catalyst_3650-12x48uz | all |
| cisco | catalyst_3650-12x48uz-e | all |
| cisco | catalyst_3650-12x48uz-l | all |
| cisco | catalyst_3650-12x48uz-s | all |
| cisco | catalyst_3650-24pd | all |
| cisco | catalyst_3650-24pd-e | all |
| cisco | catalyst_3650-24pd-l | all |
| cisco | catalyst_3650-24pd-s | all |
| cisco | catalyst_3650-24pdm | all |
| cisco | catalyst_3650-24pdm-e | all |
| cisco | catalyst_3650-24pdm-l | all |
| cisco | catalyst_3650-24pdm-s | all |
| cisco | catalyst_3650-24ps-e | all |
| cisco | catalyst_3650-24ps-l | all |
| cisco | catalyst_3650-24ps-s | all |
| cisco | catalyst_3650-24td-e | all |
| cisco | catalyst_3650-24td-l | all |
| cisco | catalyst_3650-24td-s | all |
| cisco | catalyst_3650-24ts-e | all |
| cisco | catalyst_3650-24ts-l | all |
| cisco | catalyst_3650-24ts-s | all |
| cisco | catalyst_3650-48fd-e | all |
| cisco | catalyst_3650-48fd-l | all |
| cisco | catalyst_3650-48fd-s | all |
| cisco | catalyst_3650-48fq | all |
| cisco | catalyst_3650-48fq-e | all |
| cisco | catalyst_3650-48fq-l | all |
| cisco | catalyst_3650-48fq-s | all |
| cisco | catalyst_3650-48fqm | all |
| cisco | catalyst_3650-48fqm-e | all |
| cisco | catalyst_3650-48fqm-l | all |
| cisco | catalyst_3650-48fqm-s | all |
| cisco | catalyst_3650-48fs-e | all |
| cisco | catalyst_3650-48fs-l | all |
| cisco | catalyst_3650-48fs-s | all |
| cisco | catalyst_3650-48pd-e | all |
| cisco | catalyst_3650-48pd-l | all |
| cisco | catalyst_3650-48pd-s | all |
| cisco | catalyst_3650-48pq-e | all |
| cisco | catalyst_3650-48pq-l | all |
| cisco | catalyst_3650-48pq-s | all |
| cisco | catalyst_3650-48ps-e | all |
| cisco | catalyst_3650-48ps-l | all |
| cisco | catalyst_3650-48ps-s | all |
| cisco | catalyst_3650-48td-e | all |
| cisco | catalyst_3650-48td-l | all |
| cisco | catalyst_3650-48td-s | all |
| cisco | catalyst_3650-48tq-e | all |
| cisco | catalyst_3650-48tq-l | all |
| cisco | catalyst_3650-48tq-s | all |
| cisco | catalyst_3650-48ts-e | all |
| cisco | catalyst_3650-48ts-l | all |
| cisco | catalyst_3650-48ts-s | all |
| cisco | catalyst_3650-8x24pd-e | all |
| cisco | catalyst_3650-8x24pd-l | all |
| cisco | catalyst_3650-8x24pd-s | all |
| cisco | catalyst_3650-8x24uq | all |
| cisco | catalyst_3650-8x24uq-e | all |
| cisco | catalyst_3650-8x24uq-l | all |
| cisco | catalyst_3650-8x24uq-s | all |
| cisco | catalyst_3850 | all |
| cisco | catalyst_3850-12s-e | all |
| cisco | catalyst_3850-12s-s | all |
| cisco | catalyst_3850-12x48u | all |
| cisco | catalyst_3850-12xs-e | all |
| cisco | catalyst_3850-12xs-s | all |
| cisco | catalyst_3850-16xs-e | all |
| cisco | catalyst_3850-16xs-s | all |
| cisco | catalyst_3850-24p-e | all |
| cisco | catalyst_3850-24p-l | all |
| cisco | catalyst_3850-24p-s | all |
| cisco | catalyst_3850-24pw-s | all |
| cisco | catalyst_3850-24s-e | all |
| cisco | catalyst_3850-24s-s | all |
| cisco | catalyst_3850-24t-e | all |
| cisco | catalyst_3850-24t-l | all |
| cisco | catalyst_3850-24t-s | all |
| cisco | catalyst_3850-24u | all |
| cisco | catalyst_3850-24u-e | all |
| cisco | catalyst_3850-24u-l | all |
| cisco | catalyst_3850-24u-s | all |
| cisco | catalyst_3850-24xs | all |
| cisco | catalyst_3850-24xs-e | all |
| cisco | catalyst_3850-24xs-s | all |
| cisco | catalyst_3850-24xu | all |
| cisco | catalyst_3850-24xu-e | all |
| cisco | catalyst_3850-24xu-l | all |
| cisco | catalyst_3850-24xu-s | all |
| cisco | catalyst_3850-32xs-e | all |
| cisco | catalyst_3850-32xs-s | all |
| cisco | catalyst_3850-48f-e | all |
| cisco | catalyst_3850-48f-l | all |
| cisco | catalyst_3850-48f-s | all |
| cisco | catalyst_3850-48p-e | all |
| cisco | catalyst_3850-48p-l | all |
| cisco | catalyst_3850-48p-s | all |
| cisco | catalyst_3850-48pw-s | all |
| cisco | catalyst_3850-48t-e | all |
| cisco | catalyst_3850-48t-l | all |
| cisco | catalyst_3850-48t-s | all |
| cisco | catalyst_3850-48u | all |
| cisco | catalyst_3850-48u-e | all |
| cisco | catalyst_3850-48u-l | all |
| cisco | catalyst_3850-48u-s | all |
| cisco | catalyst_3850-48xs | all |
| cisco | catalyst_3850-48xs-e | all |
| cisco | catalyst_3850-48xs-f-e | all |
| cisco | catalyst_3850-48xs-f-s | all |
| cisco | catalyst_3850-48xs-s | all |
| cisco | catalyst_3850-nm-2-40g | all |
| cisco | catalyst_3850-nm-8-10g | all |
| cisco | catalyst_8200 | all |
| cisco | catalyst_8300 | all |
| cisco | catalyst_8300-1n1s-4t2x | all |
| cisco | catalyst_8300-1n1s-6t | all |
| cisco | catalyst_8300-2n2s-4t2x | all |
| cisco | catalyst_8300-2n2s-6t | all |
| cisco | catalyst_8500 | all |
| cisco | catalyst_8500-4qc | all |
| cisco | catalyst_8500l | all |
| cisco | catalyst_8510csr | all |
| cisco | catalyst_8510msr | all |
| cisco | catalyst_8540csr | all |
| cisco | catalyst_8540msr | all |
| cisco | catalyst_9200 | all |
| cisco | catalyst_9200cx | all |
| cisco | catalyst_9200l | all |
| cisco | catalyst_9300 | all |
| cisco | catalyst_9300-24p-a | all |
| cisco | catalyst_9300-24p-e | all |
| cisco | catalyst_9300-24s-a | all |
| cisco | catalyst_9300-24s-e | all |
| cisco | catalyst_9300-24t-a | all |
| cisco | catalyst_9300-24t-e | all |
| cisco | catalyst_9300-24u-a | all |
| cisco | catalyst_9300-24u-e | all |
| cisco | catalyst_9300-24ux-a | all |
| cisco | catalyst_9300-24ux-e | all |
| cisco | catalyst_9300-48p-a | all |
| cisco | catalyst_9300-48p-e | all |
| cisco | catalyst_9300-48s-a | all |
| cisco | catalyst_9300-48s-e | all |
| cisco | catalyst_9300-48t-a | all |
| cisco | catalyst_9300-48t-e | all |
| cisco | catalyst_9300-48u-a | all |
| cisco | catalyst_9300-48u-e | all |
| cisco | catalyst_9300-48un-a | all |
| cisco | catalyst_9300-48un-e | all |
| cisco | catalyst_9300-48uxm-a | all |
| cisco | catalyst_9300-48uxm-e | all |
| cisco | catalyst_9300l | all |
| cisco | catalyst_9300l-24p-4g-a | all |
| cisco | catalyst_9300l-24p-4g-e | all |
| cisco | catalyst_9300l-24p-4x-a | all |
| cisco | catalyst_9300l-24p-4x-e | all |
| cisco | catalyst_9300l-24t-4g-a | all |
| cisco | catalyst_9300l-24t-4g-e | all |
| cisco | catalyst_9300l-24t-4x-a | all |
| cisco | catalyst_9300l-24t-4x-e | all |
| cisco | catalyst_9300l-48p-4g-a | all |
| cisco | catalyst_9300l-48p-4g-e | all |
| cisco | catalyst_9300l-48p-4x-a | all |
| cisco | catalyst_9300l-48p-4x-e | all |
| cisco | catalyst_9300l-48t-4g-a | all |
| cisco | catalyst_9300l-48t-4g-e | all |
| cisco | catalyst_9300l-48t-4x-a | all |
| cisco | catalyst_9300l-48t-4x-e | all |
| cisco | catalyst_9300l_stack | all |
| cisco | catalyst_9300lm | all |
| cisco | catalyst_9300x | all |
| cisco | catalyst_9400 | all |
| cisco | catalyst_9407r | all |
| cisco | catalyst_9410r | all |
| cisco | catalyst_9500 | all |
| cisco | catalyst_9500h | all |
| cisco | catalyst_9600 | all |
| cisco | catalyst_9600x | all |
| cisco | catalyst_9800 | all |
| cisco | catalyst_9800-40 | all |
| cisco | catalyst_9800-80 | all |
| cisco | catalyst_9800-cl | all |
| cisco | catalyst_9800-l | all |
| cisco | catalyst_9800-l-c | all |
| cisco | catalyst_9800-l-f | all |
| cisco | catalyst_ie3300_rugged_switch | all |
| cisco | catalyst_ie3400_heavy_duty_switch | all |
| cisco | catalyst_ie3400_rugged_switch | all |
| cisco | cloud_services_router_1000v | all |
| cisco | esr-6300-con-k9 | all |
| cisco | esr-6300-ncp-k9 | all |
| cisco | integrated_services_virtual_router | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Cisco Systems, Inc. · Hosted Service · USA |
| Reserved | 2017-11-27T00:00:00 |
| Published | 2018-03-28T22:00:00 |
| Patch Date | 2018-03-28 |
| Last Updated | 2026-01-12T22:03:46 |
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