CVSS 3.1 Score 5.6 of 10 (medium)


Published Mar 27, 2024
CWE ID 828


CVE-2024-20309 is a vulnerability found in the auxiliary asynchronous port (AUX) functions of Cisco IOS XE Software. It affects various products, including vD7lvs, i1FZ00, j7q2OO, and others. An authenticated, local attacker could exploit this vulnerability by reverse telnetting to the AUX port and sending specific data after connecting. This could result in a denial of service (DoS) condition, causing the affected device to reload or stop responding. The risk score associated with this vulnerability is 25, and it has a base severity rating of MEDIUM. Remediation steps should be taken promptly to mitigate the potential danger posed to organizations using these affected products.

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