CVE-2024-20321

CWE-400 — Uncontrolled Resource ConsumptionCWE-770 — Allocation without Limits4 documents4 sources
Severity
8.6HIGH
EPSS
0.5%
top 36.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco Cisco Nx-os SoftwareCisco Nx-os
Timeline
PublishedFeb 29

Description

A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability exists because eBGP traffic is mapped to a shared hardware rate-limiter queue. An attacker could exploit this vulnerability by sending large amounts of network traffic with certain characteristics through an affected device. A successful exploit could allow the a…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages2 packages

▶CVEListV5cisco/cisco_nx-os_software48 versions+47
▶NVDcisco/nx-os48 versions+47

🔴Vulnerability Details

2
GHSA
GHSA-7rpf-cp7m-9q4f: A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker↗2024-02-29
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CVEList
CVE-2024-20321: A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker↗2024-02-28
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📋Vendor Advisories

1
Cisco
Cisco NX-OS Software External Border Gateway Protocol Denial of Service Vulnerability↗2024-02-29
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