Resource exhaustion in Cisco 4461 Integrated Services Router
CVE-2020-3414
A vulnerability in the packet processing of Cisco IOS XE Software for Cisco 4461 Integrated Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect processing of IPv4 or IPv6 traffic to or through an affected device. An attacker could exploit this vulnerability by sending IP traffic to or through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
EPSS: 0.019 (77.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco 4461_integrated_services_router
- Cisco Ios Xe Software 17.1.1 — versions n/a
- Cisco Ios_xe — versions 16.9.2, 16.10.4, 16.11.2
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3414?
- CVE-2020-3414 is a high-severity vulnerability in Cisco 4461 Integrated Services Router, classified under CWE-19. CVSS score: 8.6/10. Published 2020-09-24.
- How severe is CVE-2020-3414?
- High severity. CVSS v3 base score is 8.6 out of 10.