First published: Wed Mar 28 2018(Updated: )
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.
Credit: ykramarz@cisco.com ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
All of | ||
Any of | ||
Cisco IOS | =15.3\(00.00.19\)sy | |
Cisco IOS | =15.4\(01\)ia001.100 | |
Cisco IOS | =15.6\(01.22\)t | |
Any of | ||
Cisco 3925 Integrated Services Router | ||
Cisco 3925e Integrated Services Router | ||
Cisco 3945 Integrated Services Router | ||
Cisco 3945e Integrated Services Router | ||
All of | ||
Any of | ||
Cisco IOS | =15.3\(00.00.19\)sy | |
Cisco IOS | =15.4\(03\)m4.1 | |
Any of | ||
Cisco 1000 Integrated Services Router | ||
Cisco 1100-4g\/6g Integrated Services Router | ||
Cisco 1100-4g Integrated Services Router | ||
Cisco 1100-4gltegb Integrated Services Router | ||
Cisco 1100-4gltena Integrated Services Router | ||
Cisco 1100-4p Integrated Services Router | ||
Cisco 1100-6g Integrated Services Router | ||
Cisco 1100-8p Integrated Services Router | ||
Cisco 1100-lte Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1101-4p Integrated Services Router | ||
Cisco 1101 Integrated Services Router | ||
Cisco 1109-2p Integrated Services Router | ||
Cisco 1109-4p Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1111x-8p Integrated Services Router | ||
Cisco 1111x Integrated Services Router | ||
Cisco 111x Integrated Services Router | ||
Cisco 1120 Integrated Services Router | ||
Cisco 1131 Integrated Services Router | ||
Cisco 1160 Integrated Services Router | ||
Cisco 1801 Integrated Service Router | ||
Cisco 1802 Integrated Service Router | ||
Cisco 1803 Integrated Service Router | ||
Cisco 1811 Integrated Service Router | ||
Cisco 1812 Integrated Service Router | ||
Cisco 1841 Integrated Service Router | ||
Cisco 1861 Integrated Service Router | ||
Cisco 1905 Integrated Services Router | ||
Cisco 1906c Integrated Services Router | ||
Cisco 1921 Integrated Services Router | ||
Cisco 1941 Integrated Services Router | ||
Cisco 1941w Integrated Services Router | ||
Cisco 4000 Integrated Services Router | ||
Cisco 422 Integrated Services Router | ||
Cisco 4221 Integrated Services Router | ||
Cisco 4321\/k9-rf Integrated Services Router | ||
Cisco 4321\/k9-ws Integrated Services Router | ||
Cisco 4321\/k9 Integrated Services Router | ||
Cisco 4321 Integrated Services Router | ||
Cisco 4331\/k9-rf Integrated Services Router | ||
Cisco 4331\/k9-ws Integrated Services Router | ||
Cisco 4331\/k9 Integrated Services Router | ||
Cisco 4331 Integrated Services Router | ||
Cisco 4351\/k9-rf Integrated Services Router | ||
Cisco 4351\/k9-ws Integrated Services Router | ||
Cisco 4351\/k9 Integrated Services Router | ||
Cisco 4431 Integrated Services Router | ||
Cisco 44461 Integrated Services Router | ||
Cisco 4451-x Integrated Services Router | ||
Cisco 4451 Integrated Services Router | ||
Cisco 4461 Integrated Services Router | ||
Cisco 8101-32fh | ||
Cisco 8101-32h | ||
Cisco 8102-64h | ||
Cisco 8201 | ||
Cisco 8201-32fh | ||
Cisco 8202 | ||
Cisco 8208 | ||
Cisco 8212 | ||
Cisco 8218 | ||
Cisco 8800 12-slot | ||
Cisco 8800 18-slot | ||
Cisco 8800 4-slot | ||
Cisco 8800 8-slot | ||
Cisco 8804 | ||
Cisco 8808 | ||
Cisco 8812 | ||
Cisco 8818 | ||
Cisco 8831 | ||
Cisco ASR 1000 | ||
Cisco Asr 1000-esp100 | ||
Cisco Asr 1000-esp100-x | ||
Cisco Asr 1000-esp200-x | ||
Cisco Asr 1000-x | ||
Cisco Asr 1001 | ||
Cisco Asr 1001-hx | ||
Cisco Asr 1001-hx R | ||
Cisco Asr 1001-x | ||
Cisco Asr 1001-x R | ||
Cisco Asr 1002 | ||
Cisco Asr 1002-hx | ||
Cisco Asr 1002-hx R | ||
Cisco Asr 1002-x | ||
Cisco Asr 1002-x R | ||
Cisco Asr 1004 | ||
Cisco Asr 1006 | ||
Cisco Asr 1006-x | ||
Cisco Asr 1009-x | ||
Cisco Asr 1013 | ||
Cisco Asr 1023 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-12x48fd-e | ||
Cisco Catalyst 3650-12x48fd-l | ||
Cisco Catalyst 3650-12x48fd-s | ||
Cisco Catalyst 3650-12x48uq | ||
Cisco Catalyst 3650-12x48uq-e | ||
Cisco Catalyst 3650-12x48uq-l | ||
Cisco Catalyst 3650-12x48uq-s | ||
Cisco Catalyst 3650-12x48ur | ||
Cisco Catalyst 3650-12x48ur-e | ||
Cisco Catalyst 3650-12x48ur-l | ||
Cisco Catalyst 3650-12x48ur-s | ||
Cisco Catalyst 3650-12x48uz | ||
Cisco Catalyst 3650-12x48uz-e | ||
Cisco Catalyst 3650-12x48uz-l | ||
Cisco Catalyst 3650-12x48uz-s | ||
Cisco Catalyst 3650-24pd | ||
Cisco Catalyst 3650-24pd-e | ||
Cisco Catalyst 3650-24pd-l | ||
Cisco Catalyst 3650-24pd-s | ||
Cisco Catalyst 3650-24pdm | ||
Cisco Catalyst 3650-24pdm-e | ||
Cisco Catalyst 3650-24pdm-l | ||
Cisco Catalyst 3650-24pdm-s | ||
Cisco Catalyst 3650-24ps-e | ||
Cisco Catalyst 3650-24ps-l | ||
Cisco Catalyst 3650-24ps-s | ||
Cisco Catalyst 3650-24td-e | ||
Cisco Catalyst 3650-24td-l | ||
Cisco Catalyst 3650-24td-s | ||
Cisco Catalyst 3650-24ts-e | ||
Cisco Catalyst 3650-24ts-l | ||
Cisco Catalyst 3650-24ts-s | ||
Cisco Catalyst 3650-48fd-e | ||
Cisco Catalyst 3650-48fd-l | ||
Cisco Catalyst 3650-48fd-s | ||
Cisco Catalyst 3650-48fq | ||
Cisco Catalyst 3650-48fq-e | ||
Cisco Catalyst 3650-48fq-l | ||
Cisco Catalyst 3650-48fq-s | ||
Cisco Catalyst 3650-48fqm | ||
Cisco Catalyst 3650-48fqm-e | ||
Cisco Catalyst 3650-48fqm-l | ||
Cisco Catalyst 3650-48fqm-s | ||
Cisco Catalyst 3650-48fs-e | ||
Cisco Catalyst 3650-48fs-l | ||
Cisco Catalyst 3650-48fs-s | ||
Cisco Catalyst 3650-48pd-e | ||
Cisco Catalyst 3650-48pd-l | ||
Cisco Catalyst 3650-48pd-s | ||
Cisco Catalyst 3650-48pq-e | ||
Cisco Catalyst 3650-48pq-l | ||
Cisco Catalyst 3650-48pq-s | ||
Cisco Catalyst 3650-48ps-e | ||
Cisco Catalyst 3650-48ps-l | ||
Cisco Catalyst 3650-48ps-s | ||
Cisco Catalyst 3650-48td-e | ||
Cisco Catalyst 3650-48td-l | ||
Cisco Catalyst 3650-48td-s | ||
Cisco Catalyst 3650-48tq-e | ||
Cisco Catalyst 3650-48tq-l | ||
Cisco Catalyst 3650-48tq-s | ||
Cisco Catalyst 3650-48ts-e | ||
Cisco Catalyst 3650-48ts-l | ||
Cisco Catalyst 3650-48ts-s | ||
Cisco Catalyst 3650-8x24pd-e | ||
Cisco Catalyst 3650-8x24pd-l | ||
Cisco Catalyst 3650-8x24pd-s | ||
Cisco Catalyst 3650-8x24uq | ||
Cisco Catalyst 3650-8x24uq-e | ||
Cisco Catalyst 3650-8x24uq-l | ||
Cisco Catalyst 3650-8x24uq-s | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-12s-e | ||
Cisco Catalyst 3850-12s-s | ||
Cisco Catalyst 3850-12x48u | ||
Cisco Catalyst 3850-12xs-e | ||
Cisco Catalyst 3850-12xs-s | ||
Cisco Catalyst 3850-16xs-e | ||
Cisco Catalyst 3850-16xs-s | ||
Cisco Catalyst 3850-24p-e | ||
Cisco Catalyst 3850-24p-l | ||
Cisco Catalyst 3850-24p-s | ||
Cisco Catalyst 3850-24pw-s | ||
Cisco Catalyst 3850-24s-e | ||
Cisco Catalyst 3850-24s-s | ||
Cisco Catalyst 3850-24t-e | ||
Cisco Catalyst 3850-24t-l | ||
Cisco Catalyst 3850-24t-s | ||
Cisco Catalyst 3850-24u | ||
Cisco Catalyst 3850-24u-e | ||
Cisco Catalyst 3850-24u-l | ||
Cisco Catalyst 3850-24u-s | ||
Cisco Catalyst 3850-24xs | ||
Cisco Catalyst 3850-24xs-e | ||
Cisco Catalyst 3850-24xs-s | ||
Cisco Catalyst 3850-24xu | ||
Cisco Catalyst 3850-24xu-e | ||
Cisco Catalyst 3850-24xu-l | ||
Cisco Catalyst 3850-24xu-s | ||
Cisco Catalyst 3850-32xs-e | ||
Cisco Catalyst 3850-32xs-s | ||
Cisco Catalyst 3850-48f-e | ||
Cisco Catalyst 3850-48f-l | ||
Cisco Catalyst 3850-48f-s | ||
Cisco Catalyst 3850-48p-e | ||
Cisco Catalyst 3850-48p-l | ||
Cisco Catalyst 3850-48p-s | ||
Cisco Catalyst 3850-48pw-s | ||
Cisco Catalyst 3850-48t-e | ||
Cisco Catalyst 3850-48t-l | ||
Cisco Catalyst 3850-48t-s | ||
Cisco Catalyst 3850-48u | ||
Cisco Catalyst 3850-48u-e | ||
Cisco Catalyst 3850-48u-l | ||
Cisco Catalyst 3850-48u-s | ||
Cisco Catalyst 3850-48xs | ||
Cisco Catalyst 3850-48xs-e | ||
Cisco Catalyst 3850-48xs-f-e | ||
Cisco Catalyst 3850-48xs-f-s | ||
Cisco Catalyst 3850-48xs-s | ||
Cisco Catalyst 3850-nm-2-40g | ||
Cisco Catalyst 3850-nm-8-10g | ||
Cisco Catalyst 8200 | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8300-1n1s-4t2x | ||
Cisco Catalyst 8300-1n1s-6t | ||
Cisco Catalyst 8300-2n2s-4t2x | ||
Cisco Catalyst 8300-2n2s-6t | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8500-4qc | ||
Cisco Catalyst 8500l | ||
Cisco Catalyst 8510csr | ||
Cisco Catalyst 8510msr | ||
Cisco Catalyst 8540csr | ||
Cisco Catalyst 8540msr | ||
Cisco Catalyst 9200 | ||
Cisco Catalyst 9200cx | ||
Cisco Catalyst 9200l | ||
Cisco Catalyst 9300 | ||
Cisco Catalyst 9300-24p-a | ||
Cisco Catalyst 9300-24p-e | ||
Cisco Catalyst 9300-24s-a | ||
Cisco Catalyst 9300-24s-e | ||
Cisco Catalyst 9300-24t-a | ||
Cisco Catalyst 9300-24t-e | ||
Cisco Catalyst 9300-24u-a | ||
Cisco Catalyst 9300-24u-e | ||
Cisco Catalyst 9300-24ux-a | ||
Cisco Catalyst 9300-24ux-e | ||
Cisco Catalyst 9300-48p-a | ||
Cisco Catalyst 9300-48p-e | ||
Cisco Catalyst 9300-48s-a | ||
Cisco Catalyst 9300-48s-e | ||
Cisco Catalyst 9300-48t-a | ||
Cisco Catalyst 9300-48t-e | ||
Cisco Catalyst 9300-48u-a | ||
Cisco Catalyst 9300-48u-e | ||
Cisco Catalyst 9300-48un-a | ||
Cisco Catalyst 9300-48un-e | ||
Cisco Catalyst 9300-48uxm-a | ||
Cisco Catalyst 9300-48uxm-e | ||
Cisco Catalyst 9300l | ||
Cisco Catalyst 9300l-24p-4g-a | ||
Cisco Catalyst 9300l-24p-4g-e | ||
Cisco Catalyst 9300l-24p-4x-a | ||
Cisco Catalyst 9300l-24p-4x-e | ||
Cisco Catalyst 9300l-24t-4g-a | ||
Cisco Catalyst 9300l-24t-4g-e | ||
Cisco Catalyst 9300l-24t-4x-a | ||
Cisco Catalyst 9300l-24t-4x-e | ||
Cisco Catalyst 9300l-48p-4g-a | ||
Cisco Catalyst 9300l-48p-4g-e | ||
Cisco Catalyst 9300l-48p-4x-a | ||
Cisco Catalyst 9300l-48p-4x-e | ||
Cisco Catalyst 9300l-48t-4g-a | ||
Cisco Catalyst 9300l-48t-4g-e | ||
Cisco Catalyst 9300l-48t-4x-a | ||
Cisco Catalyst 9300l-48t-4x-e | ||
Cisco Catalyst 9300l Stack | ||
Cisco Catalyst 9300lm | ||
Cisco Catalyst 9300x | ||
Cisco Catalyst 9400 | ||
Cisco Catalyst 9407r | ||
Cisco Catalyst 9410r | ||
Cisco Catalyst 9500 | ||
Cisco Catalyst 9500h | ||
Cisco Catalyst 9600 | ||
Cisco Catalyst 9600x | ||
Cisco Catalyst 9800 | ||
Cisco Catalyst 9800-40 | ||
Cisco Catalyst 9800-80 | ||
Cisco Catalyst 9800-cl | ||
Cisco Catalyst 9800-l | ||
Cisco Catalyst 9800-l-c | ||
Cisco Catalyst 9800-l-f | ||
Cisco Catalyst Ie3300 Rugged Switch | ||
Cisco Catalyst Ie3400 Heavy Duty Switch | ||
Cisco Catalyst Ie3400 Rugged Switch | ||
Cisco Cloud Services Router 1000v | ||
Cisco Esr-6300-con-k9 | ||
Cisco Esr-6300-ncp-k9 | ||
Cisco Integrated Services Virtual Router | ||
Cisco IOS | =15.4\(2\)cg | |
Cisco IOS | =15.4\(2\)t | |
Cisco IOS | =15.4\(3\)m | |
Cisco IOS | =15.3\(0.0.19\)sy | |
Cisco IOS | =15.4\(1\)ia1.100 | |
Cisco IOS | =15.6\(1.22\)t | |
Cisco 1921 | ||
Cisco 1941 | ||
Cisco 1941w | ||
Cisco 2901 | ||
Cisco 2911 | ||
Cisco 2921 | ||
Cisco 2951 | ||
Cisco 3925 | ||
Cisco 3925e | ||
Cisco 3945 | ||
Cisco 3945e | ||
Cisco 4451-x | ||
Cisco IOS | =15.4\(3\)m4.1 | |
Cisco IOS | >=15.4\(2\)cg | |
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CVE-2018-0180 is a denial-of-service vulnerability in the Login Enhancements feature of Cisco IOS Software.
CVE-2018-0180 can allow an unauthenticated, remote attacker to trigger a reload of an affected Cisco device, resulting in a denial of service (DoS) condition.
Cisco IOS Software versions 15.3(0.0.19)sy, 15.4(1)ia1.100, and 15.6(1.22)t are affected by CVE-2018-0180.
The severity of CVE-2018-0180 is high with a CVSS score of 5.9.
You can find more information about CVE-2018-0180 in the SecurityFocus and Cisco Security Advisory links provided.