A vulnerability in Cisco NX-OS Software could allow an unauthenticated, remote attacker to exhaust system resources, causing a denial of service…
A vulnerability in Cisco NX-OS Software could allow an unauthenticated, remote attacker to exhaust system resources, causing a denial of service (DoS) condition. This vulnerability exists because rate limiting was improperly applied to some protocols. An attacker could exploit this vulnerability by sending a high rate of UDP or TCP connections to a data plane interface on an affected device. A successful exploit could allow the attacker to cause instability to various routing and control plane protocols through some packet loss and temporary disruptions, causing a DoS condition. This DoS co
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Cisco
- Product
- IOS XE / IOS XR / NX-OS
- CVSS
- 5.8
- EPSS
- 0.004 (p31)
- Exposure class
- Edge / VPN / firewall
Why it ranks 27 (Notable)
- CVSS 5.8 medium
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Covered by 2 independent sources
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-20173 on this site · NVD · CVE.org · Vulnpedia
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