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 psirt@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco IOS | ||
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 1941w | ||
Cisco 1941w | ||
Cisco 2901 | ||
Cisco 2911 | ||
Cisco 2921 | ||
Cisco 2951 | ||
Cisco 3925 | ||
Cisco 3925e Integrated Services Router | ||
Cisco 3945e Integrated Services Router | ||
Cisco 3945e Integrated Services Router | ||
Cisco 4451-X Integrated Services Router | ||
Cisco IOS | =15.4\(3\)m4.1 | |
Cisco IOS | >=15.4\(2\)cg | |
Cisco IOS | =15.4\(2\)t | |
Cisco IOS | =15.4\(3\)m | |
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/6g Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1109-4p Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Series Integrated Services Router | ||
Cisco 1101 Integrated Services Router | ||
Cisco 1101 Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1111x-8p | ||
Cisco 111x 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 Serial Integrated Services Router | ||
Cisco 1906c Integrated Services Router | ||
Cisco 1921 Integrated Services Router | ||
Cisco 1941w Integrated Services Router | ||
Cisco 1941w Integrated Services Router | ||
Cisco 4000 Series Integrated Services Routers | ||
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 Integrated Services Router | ||
Cisco 4321/k9 Integrated Services Router | ||
Cisco 4331/k9-rf Integrated Services Router | ||
Cisco 4331/k9-ws Integrated Services Router | ||
Cisco 4331 Integrated Services Router | ||
Cisco 4331/k9-rf Integrated Services Router | ||
Cisco 4351/k9-rf Integrated Services Router | ||
Cisco 4351/k9 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-X Integrated Services Router | ||
Cisco 4441 Integrated Services Router | ||
Cisco 8101-32h | ||
Cisco 8101-32h | ||
Cisco 8102-64h | ||
Cisco 8201 | ||
Cisco 8201 | ||
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 Firmware | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 ESP 200 | ||
Cisco ASR 1000 series software | ||
Cisco ASR 1001 | ||
Cisco ASR 1001 | ||
Cisco ASR 1001-HX-RF | ||
Cisco ASR 1001-X | ||
Cisco ASR 1001-X | ||
Cisco ASR 1002 Fixed Router | ||
Cisco ASR 1002 Fixed Router | ||
Cisco ASR 1002-HX | ||
Cisco ASR 1002-X | ||
Cisco ASR 1002-X | ||
Cisco ASR 1004 | ||
Cisco ASR 1006 | ||
Cisco ASR 1006-X | ||
Cisco ASR 1009-X | ||
Cisco ASR 1013 | ||
Cisco ASR 1023 Router | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-12x48UQ | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-12x48UQ-S | ||
Cisco Catalyst 3650-12X48UR | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-12X48UR-L | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-12x48UZ-L | ||
Cisco Catalyst 3650-12x48uz-s | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-24PD-S | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-24PS-E | ||
Cisco Catalyst 3650-24PS-L | ||
Cisco Catalyst 3650-24PS | ||
Cisco Catalyst 3650-24TD-E | ||
Cisco Catalyst 3650-24TD-L | ||
Cisco Catalyst 3650-24TD Switch | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-24TS-L | ||
Cisco Catalyst 3650-24TS-S | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-48FQ-E | ||
Cisco Catalyst 3650-48FQ-L | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650 Series Switch | ||
Cisco Catalyst 3650 Series Switch WS-C3650-48FS | ||
Cisco Catalyst 3650 Series Switch WS-C3650-48FS | ||
Cisco Catalyst 3650-48PD-E | ||
Cisco Catalyst 3650-48PD | ||
Cisco Catalyst 3650-48PD-S | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-48PQ-L | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-48PS-L | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 Series | ||
Cisco Catalyst 3650-48TQ-S | ||
Cisco Catalyst 3650-48TS Switch | ||
Cisco Catalyst 3650-48TS Switch | ||
Cisco Catalyst 3650-48TS Switch | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-8X24UQ | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-8X24UQ | ||
Cisco Catalyst 3650-8X24UQ | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-12X48U-E | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 Series | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 9300-24s-e Firmware | ||
Cisco Catalyst 3850-24S-S | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-24T-L | ||
Cisco Catalyst 3850-24T-S | ||
Cisco Catalyst 3850-24U | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-24XS | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-48F-E | ||
Cisco Catalyst 3850-48F-L | ||
Cisco Catalyst 3850-48F-S | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-48P-S | ||
Cisco Catalyst 3850-48PW-S | ||
Cisco Catalyst 3850-48T-E | ||
Cisco Catalyst 3850-48T-L | ||
Cisco Catalyst 3850 Series | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-48U-E | ||
Cisco Catalyst 3850-48U | ||
Cisco Catalyst 3850-48U | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850-48XS-S | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 8200 | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8300-1N1S-4T2X | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8300-2N2S-4T2X | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8500L Series Router | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8510 CSR | ||
Cisco Catalyst 8510MSR | ||
Cisco Catalyst 8540CSR | ||
Cisco Catalyst 8540MSR | ||
Cisco Catalyst 9200CX | ||
Cisco Catalyst 9200CX | ||
Cisco Catalyst 9200 Series | ||
Cisco Catalyst 9300 Firmware | ||
Cisco Catalyst 9300-24p-a Firmware | ||
Cisco Catalyst 9300-24p-e Firmware | ||
Cisco Catalyst 9300-24s-a Firmware | ||
Cisco Catalyst 9300-24s-e Firmware | ||
Cisco Catalyst 9300-24t-a Firmware | ||
Cisco Catalyst 9300-24t-e Firmware | ||
Cisco Catalyst 9300-24u-a Firmware | ||
Cisco Catalyst 9300-24u-e Firmware | ||
Cisco Catalyst 9300-24ux-a Firmware | ||
Cisco Catalyst 9300-24ux-e Firmware | ||
Cisco Catalyst 9300-48p-a Firmware | ||
Cisco Catalyst 9300-48p-e Firmware | ||
Cisco Catalyst 9300-48s-a Firmware | ||
Cisco Catalyst 9300-48s-e Firmware | ||
Cisco Catalyst 9300-48t-a Firmware | ||
Cisco Catalyst 9300-48t-e Firmware | ||
Cisco Catalyst 9300-48u-a Firmware | ||
Cisco Catalyst 9300-48u-e Firmware | ||
Cisco Catalyst 9300-48un-a Firmware | ||
Cisco Catalyst 9300-48un-e Firmware | ||
Cisco Catalyst 9300-48uxm-a Firmware | ||
Cisco Catalyst 9300-48uxm-e Firmware | ||
Cisco Catalyst 9300l Firmware | ||
Cisco Catalyst 9300L-24P-4G-A Firmware | ||
Cisco Catalyst 9300l-24p-4g-e Firmware | ||
Cisco Catalyst 9300L-24P-4X-A Firmware | ||
Cisco Catalyst 9300l-24p-4x-e Firmware | ||
Cisco Catalyst 9300l-24t-4g-a Firmware | ||
Cisco Catalyst 9300L-24T-4G-E Firmware | ||
Cisco Catalyst 9300l-24t-4x-a Firmware | ||
Cisco Catalyst 9300L-24T-4X-E Firmware | ||
Cisco Catalyst 9300L-48P-4G-A Firmware | ||
Cisco Catalyst 9300l-48p-4g-e Firmware | ||
Cisco Catalyst 9300l-48p-4x-a Firmware | ||
Cisco Catalyst 9300L-48P-4X-E Firmware | ||
Cisco Catalyst 9300l-48t-4g-a Firmware | ||
Cisco Catalyst 9300l-48t-4g-e Firmware | ||
Cisco Catalyst 9300l-48t-4x-a Firmware | ||
Cisco Catalyst 9300L-48T-4X-E Firmware | ||
Cisco Catalyst 9300L Stack | ||
Cisco Catalyst 9300lm Firmware | ||
Cisco Catalyst 9300x Firmware | ||
Cisco Catalyst 9400 | ||
Cisco Catalyst C9407R | ||
Cisco Catalyst C9410R | ||
Cisco Catalyst 9500 Series | ||
Cisco Catalyst 9500H | ||
Cisco Catalyst 9600 | ||
Cisco Catalyst 9600 | ||
Cisco Catalyst 9800 Firmware | ||
Cisco Catalyst 9800-40 | ||
Cisco Catalyst 9800-80 | ||
Cisco Catalyst 9800-CL | ||
Cisco Catalyst 9800-L | ||
Cisco Catalyst 9800-L | ||
Cisco Catalyst 9800-L | ||
Cisco Catalyst IE3300 | ||
Cisco Catalyst IE3400 | ||
Cisco Catalyst IE3400 | ||
Cisco Cloud Services Router 1000V | ||
Cisco ESR-6300-CON-K9 | ||
Cisco ESR-6300-NCP-K9 | ||
Cisco Integrated Services Virtual Router Firmware | ||
Cisco IOS | =15.4\(2\)cg |
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CVE-2018-0179 is a vulnerability in Cisco IOS Software that could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition.
CVE-2018-0179 has a severity rating of 5.9 (high).
Cisco devices running 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-2018-0179.
An unauthenticated, remote attacker can exploit CVE-2018-0179 to trigger a reload of an affected system, causing a denial of service (DoS) condition.
Cisco devices running other versions of Cisco IOS Software, like 15.4(3)m4.1 and 15.4(2)t, may also be vulnerable to CVE-2018-0179.