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 psirt@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
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 | |
Cisco IOS | =15.4\(2\)t | |
Cisco IOS | =15.4\(3\)m | |
Cisco IOS | ||
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 Series Integrated Services Router | ||
Cisco 1101-4p Integrated Services Router | ||
Cisco 1101 Integrated Services Router | ||
Cisco 1109-2p | ||
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 Serial Integrated Services Router | ||
Cisco 1906c Integrated Services Router | ||
Cisco 1921 Integrated Services Router | ||
Cisco ISR (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\/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 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-X Integrated Services Router | ||
Cisco 4441 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 Firmware | ||
Cisco ASR 1000 Series | ||
Cisco asr 1000-esp100 | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000-ESP200-X | ||
Cisco ASR 1000 series software | ||
Cisco ASR 1001 | ||
Cisco ASR 1001-HX | ||
Cisco ASR 1001-HX-RF | ||
Cisco ASR 1001-X | ||
Cisco ASR 1001-X | ||
Cisco ASR 1002 Fixed Router | ||
Cisco ASR 1002-HX-RF | ||
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 3650-12X48FD-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 24 Port PoE Switch (WS-C3650-24PD) | ||
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 Switch | ||
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 Switch | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650-48FS-E | ||
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-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 Switch | ||
Cisco Catalyst 3650-48TS Switch | ||
Cisco Catalyst 3650-48TS Switch | ||
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 | ||
Cisco Catalyst 3650-8X24UQ | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-12S-E | ||
Cisco Catalyst 3850-12S-S | ||
Cisco Catalyst 3850-12X48U-E | ||
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 | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-24XU | ||
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 | ||
Cisco Catalyst 3850-48U-S | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850-48XS-E | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850-48XS | ||
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 | ||
Cisco Catalyst 8300-2N2S-4T2X | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8500L Series Router | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8510CSR | ||
Cisco Catalyst 8510msr | ||
Cisco Catalyst 8540CSR | ||
Cisco Catalyst 8540MSR | ||
Cisco Catalyst 9200CX | ||
Cisco Catalyst 9200CX | ||
Cisco Catalyst 9200 Series | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst C9300-24P | ||
Cisco Catalyst C9300-24P | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst C9300-24T | ||
Cisco Catalyst C9300-24T | ||
Cisco Catalyst C9300-24U | ||
Cisco Catalyst C9300-24U | ||
Cisco Catalyst 9300-24UX-A | ||
Cisco Catalyst 9300-24UX-E | ||
Cisco Catalyst 9300-48P-A | ||
Cisco Catalyst 9300-48P-E | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300-48T-A | ||
Cisco Catalyst 9300-48T-E | ||
Cisco Catalyst 9300-48U-A | ||
Cisco Catalyst 9300-48U-E | ||
Cisco Catalyst C9300 Series | ||
Cisco Catalyst 9300-48U-E | ||
Cisco Catalyst 9300-48UXM-A | ||
Cisco Catalyst 9300-48UXM-E | ||
Cisco Catalyst 9300L Stack | ||
Cisco Catalyst C9300L-24P-4G | ||
Cisco Catalyst C9300L-24P-4G | ||
Cisco Catalyst 9300L-24P-4X-A | ||
Cisco Catalyst 9300L-24P-4X-E | ||
Cisco Catalyst 9300L-24T-4G | ||
Cisco Catalyst 9300L-24T-4G | ||
Cisco Catalyst 9300L-24T-4X-A | ||
Cisco Catalyst 9300L-24T-4X-E | ||
Cisco Catalyst C9300L-48P-4G | ||
Cisco Catalyst C9300L-48P-4G | ||
Cisco Catalyst C9300L-48P-4X | ||
Cisco Catalyst C9300L-48P-4X | ||
Cisco Catalyst C9300L-48T-4G | ||
Cisco Catalyst C9300L-48T-4G | ||
Cisco Catalyst C9300L-48T-4X | ||
Cisco Catalyst C9300L-48T-4X | ||
Cisco Catalyst 9300L Stack | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300X | ||
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-L | ||
Cisco Catalyst 9800-L firmware | ||
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 | |
All of | ||
Any of | ||
=15.3\(00.00.19\)sy | ||
=15.4\(01\)ia001.100 | ||
=15.6\(01.22\)t | ||
Any of | ||
All of | ||
Any of | ||
=15.3\(00.00.19\)sy | ||
=15.4\(03\)m4.1 | ||
Any of | ||
=15.4\(2\)cg | ||
=15.4\(2\)t | ||
=15.4\(3\)m |
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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.