Vulnerability Intelligence Report
Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability
CVE-2018-0154
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient handling of VPN traffic by the affected device. An attacker could exploit this vulnerability by sending crafted VPN traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to hang or crash, resulting in a DoS condition. Cisco Bug IDs: CSCvd39267.
CISA KEV
SSVC: Active Exploitation
Automatable
CVSS Base Score
7.5
HIGH
Exploitability:3.9
Impact Score:3.6
EPSS Probability:7.07%
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 | 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 | 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 | 4351_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 | 9800-40 | all |
| cisco | 9800-80 | all |
| cisco | 9800-cl | all |
| cisco | 9800-l | 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_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_9400_supervisor_engine-1 | all |
| cisco | catalyst_9407r | all |
| cisco | catalyst_9410r | all |
| cisco | catalyst_9500 | all |
| cisco | catalyst_9500h | all |
| cisco | catalyst_9600 | all |
| cisco | catalyst_9600_supervisor_engine-1 | all |
| cisco | catalyst_9600x | all |
| cisco | catalyst_9800 | all |
| cisco | catalyst_9800-40 | all |
| cisco | catalyst_9800-40_wireless_controller | all |
| cisco | catalyst_9800-80 | all |
| cisco | catalyst_9800-80_wireless_controller | 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_9800_embedded_wireless_controller | all |
| cisco | catalyst_ie3200_rugged_switch | all |
| cisco | catalyst_ie3300_rugged_switch | all |
| cisco | catalyst_ie3400_heavy_duty_switch | all |
| cisco | catalyst_ie3400_rugged_switch | all |
| cisco | catalyst_ie9300 | all |
| cisco | cbr8_converged_broadband_router | all |
| cisco | cloud_services_router_1000v | all |
| cisco | esr-6300-con-k9 | all |
| cisco | esr-6300-ncp-k9 | all |
| cisco | esr6300 | 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 | 2026-01-12T21:51:50 |
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