Vulnerability Monitor

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CVE-2024-20309


A vulnerability in auxiliary asynchronous port (AUX) functions of Cisco IOS XE Software could allow an authenticated, local attacker to cause an affected device to reload or stop responding. This vulnerability is due to the incorrect handling of specific ingress traffic when flow control hardware is enabled on the AUX port. An attacker could exploit this vulnerability by reverse telnetting to the AUX port and sending specific data after connecting. A successful exploit could allow the attacker to cause the device to reset or stop responding, resulting in a denial of service (DoS) condition.


Published

2024-03-27T17:15:52.260

Last Modified

2025-07-30T13:54:53.690

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.6 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-828

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe 3.2.0se Yes
Operating System cisco ios_xe 3.2.1se Yes
Operating System cisco ios_xe 3.2.2se Yes
Operating System cisco ios_xe 3.2.3se Yes
Operating System cisco ios_xe 3.3.0se Yes
Operating System cisco ios_xe 3.3.0sq Yes
Operating System cisco ios_xe 3.3.1se Yes
Operating System cisco ios_xe 3.3.1sq Yes
Operating System cisco ios_xe 3.3.2se Yes
Operating System cisco ios_xe 3.3.3se Yes
Operating System cisco ios_xe 3.3.4se Yes
Operating System cisco ios_xe 3.3.5se Yes
Operating System cisco ios_xe 3.4.0sq Yes
Operating System cisco ios_xe 3.4.1sq Yes
Operating System cisco ios_xe 3.5.0sq Yes
Operating System cisco ios_xe 3.5.1sq Yes
Operating System cisco ios_xe 3.5.2sq Yes
Operating System cisco ios_xe 3.5.3sq Yes
Operating System cisco ios_xe 3.5.4sq Yes
Operating System cisco ios_xe 3.5.5sq Yes
Operating System cisco ios_xe 3.5.6sq Yes
Operating System cisco ios_xe 3.5.7sq Yes
Operating System cisco ios_xe 3.5.8sq Yes
Operating System cisco ios_xe 3.6.2ae Yes
Operating System cisco ios_xe 3.6.2e Yes
Operating System cisco ios_xe 3.6.5be Yes
Operating System cisco ios_xe 3.6.7be Yes
Operating System cisco ios_xe 3.6.9e Yes
Operating System cisco ios_xe 3.6.10e Yes
Operating System cisco ios_xe 3.7.0bs Yes
Operating System cisco ios_xe 3.7.0s Yes
Operating System cisco ios_xe 3.7.1as Yes
Operating System cisco ios_xe 3.7.1s Yes
Operating System cisco ios_xe 3.7.2s Yes
Operating System cisco ios_xe 3.7.2ts Yes
Operating System cisco ios_xe 3.7.3s Yes
Operating System cisco ios_xe 3.7.4as Yes
Operating System cisco ios_xe 3.7.4s Yes
Operating System cisco ios_xe 3.7.5s Yes
Operating System cisco ios_xe 3.7.6s Yes
Operating System cisco ios_xe 3.7.7s Yes
Operating System cisco ios_xe 3.8.0s Yes
Operating System cisco ios_xe 3.8.1s Yes
Operating System cisco ios_xe 3.8.2s Yes
Operating System cisco ios_xe 3.9.0as Yes
Operating System cisco ios_xe 3.9.0s Yes
Operating System cisco ios_xe 3.9.1as Yes
Operating System cisco ios_xe 3.9.1s Yes
Operating System cisco ios_xe 3.9.2s Yes
Operating System cisco ios_xe 3.10.0s Yes
Operating System cisco ios_xe 3.10.1s Yes
Operating System cisco ios_xe 3.10.1xbs Yes
Operating System cisco ios_xe 3.10.2s Yes
Operating System cisco ios_xe 3.10.2ts Yes
Operating System cisco ios_xe 3.10.3s Yes
Operating System cisco ios_xe 3.10.4s Yes
Operating System cisco ios_xe 3.10.5s Yes
Operating System cisco ios_xe 3.10.6s Yes
Operating System cisco ios_xe 3.10.7s Yes
Operating System cisco ios_xe 3.10.8as Yes
Operating System cisco ios_xe 3.10.8s Yes
Operating System cisco ios_xe 3.10.9s Yes
Operating System cisco ios_xe 3.10.10s Yes
Operating System cisco ios_xe 3.11.0s Yes
Operating System cisco ios_xe 3.11.1s Yes
Operating System cisco ios_xe 3.11.2s Yes
Operating System cisco ios_xe 3.11.3s Yes
Operating System cisco ios_xe 3.11.4s Yes
Operating System cisco ios_xe 3.12.0as Yes
Operating System cisco ios_xe 3.12.0s Yes
Operating System cisco ios_xe 3.12.1s Yes
Operating System cisco ios_xe 3.12.2s Yes
Operating System cisco ios_xe 3.12.3s Yes
Operating System cisco ios_xe 3.12.4s Yes
Operating System cisco ios_xe 3.13.0as Yes
Operating System cisco ios_xe 3.13.0s Yes
Operating System cisco ios_xe 3.13.1s Yes
Operating System cisco ios_xe 3.13.2as Yes
Operating System cisco ios_xe 3.13.2s Yes
Operating System cisco ios_xe 3.13.3s Yes
Operating System cisco ios_xe 3.13.4s Yes
Operating System cisco ios_xe 3.13.5as Yes
Operating System cisco ios_xe 3.13.5s Yes
Operating System cisco ios_xe 3.13.6as Yes
Operating System cisco ios_xe 3.13.6s Yes
Operating System cisco ios_xe 3.13.7as Yes
Operating System cisco ios_xe 3.13.7s Yes
Operating System cisco ios_xe 3.13.8s Yes
Operating System cisco ios_xe 3.13.9s Yes
Operating System cisco ios_xe 3.13.10s Yes
Operating System cisco ios_xe 3.14.0s Yes
Operating System cisco ios_xe 3.14.1s Yes
Operating System cisco ios_xe 3.14.2s Yes
Operating System cisco ios_xe 3.14.3s Yes
Operating System cisco ios_xe 3.14.4s Yes
Operating System cisco ios_xe 3.15.0s Yes
Operating System cisco ios_xe 3.15.1cs Yes
Operating System cisco ios_xe 3.15.1s Yes
Operating System cisco ios_xe 3.15.2s Yes
Operating System cisco ios_xe 3.15.3s Yes
Operating System cisco ios_xe 3.15.4s Yes
Operating System cisco ios_xe 3.16.0cs Yes
Operating System cisco ios_xe 3.16.0s Yes
Operating System cisco ios_xe 3.16.1as Yes
Operating System cisco ios_xe 3.16.1s Yes
Operating System cisco ios_xe 3.16.2as Yes
Operating System cisco ios_xe 3.16.2bs Yes
Operating System cisco ios_xe 3.16.2s Yes
Operating System cisco ios_xe 3.16.3as Yes
Operating System cisco ios_xe 3.16.3s Yes
Operating System cisco ios_xe 3.16.4as Yes
Operating System cisco ios_xe 3.16.4bs Yes
Operating System cisco ios_xe 3.16.4ds Yes
Operating System cisco ios_xe 3.16.4s Yes
Operating System cisco ios_xe 3.16.5s Yes
Operating System cisco ios_xe 3.16.6bs Yes
Operating System cisco ios_xe 3.16.6s Yes
Operating System cisco ios_xe 3.16.7as Yes
Operating System cisco ios_xe 3.16.7bs Yes
Operating System cisco ios_xe 3.16.7s Yes
Operating System cisco ios_xe 3.16.8s Yes
Operating System cisco ios_xe 3.16.9s Yes
Operating System cisco ios_xe 3.16.10s Yes
Operating System cisco ios_xe 3.17.0s Yes
Operating System cisco ios_xe 3.17.1as Yes
Operating System cisco ios_xe 3.17.1s Yes
Operating System cisco ios_xe 3.17.2s Yes
Operating System cisco ios_xe 3.17.3s Yes
Operating System cisco ios_xe 3.17.4s Yes
Operating System cisco ios_xe 3.18.0as Yes
Operating System cisco ios_xe 3.18.0s Yes
Operating System cisco ios_xe 3.18.0sp Yes
Operating System cisco ios_xe 3.18.1asp Yes
Operating System cisco ios_xe 3.18.1bsp Yes
Operating System cisco ios_xe 3.18.1csp Yes
Operating System cisco ios_xe 3.18.1s Yes
Operating System cisco ios_xe 3.18.1sp Yes
Operating System cisco ios_xe 3.18.2asp Yes
Operating System cisco ios_xe 3.18.2s Yes
Operating System cisco ios_xe 3.18.2sp Yes
Operating System cisco ios_xe 3.18.3asp Yes
Operating System cisco ios_xe 3.18.3bsp Yes
Operating System cisco ios_xe 3.18.3s Yes
Operating System cisco ios_xe 3.18.3sp Yes
Operating System cisco ios_xe 3.18.4s Yes
Operating System cisco ios_xe 3.18.4sp Yes
Operating System cisco ios_xe 3.18.5sp Yes
Operating System cisco ios_xe 3.18.6sp Yes
Operating System cisco ios_xe 3.18.7sp Yes
Operating System cisco ios_xe 3.18.8asp Yes
Operating System cisco ios_xe 3.18.9sp Yes
Operating System cisco ios_xe 16.1.1 Yes
Operating System cisco ios_xe 16.1.2 Yes
Operating System cisco ios_xe 16.1.3 Yes
Operating System cisco ios_xe 16.2.1 Yes
Operating System cisco ios_xe 16.2.2 Yes
Operating System cisco ios_xe 16.3.1 Yes
Operating System cisco ios_xe 16.3.1a Yes
Operating System cisco ios_xe 16.3.2 Yes
Operating System cisco ios_xe 16.3.3 Yes
Operating System cisco ios_xe 16.3.4 Yes
Operating System cisco ios_xe 16.3.5 Yes
Operating System cisco ios_xe 16.3.5b Yes
Operating System cisco ios_xe 16.3.6 Yes
Operating System cisco ios_xe 16.3.7 Yes
Operating System cisco ios_xe 16.3.8 Yes
Operating System cisco ios_xe 16.3.9 Yes
Operating System cisco ios_xe 16.3.10 Yes
Operating System cisco ios_xe 16.3.11 Yes
Operating System cisco ios_xe 16.4.1 Yes
Operating System cisco ios_xe 16.4.2 Yes
Operating System cisco ios_xe 16.4.3 Yes
Operating System cisco ios_xe 16.5.1 Yes
Operating System cisco ios_xe 16.5.1a Yes
Operating System cisco ios_xe 16.5.1b Yes
Operating System cisco ios_xe 16.5.2 Yes
Operating System cisco ios_xe 16.5.3 Yes
Operating System cisco ios_xe 16.6.1 Yes
Operating System cisco ios_xe 16.6.2 Yes
Operating System cisco ios_xe 16.6.3 Yes
Operating System cisco ios_xe 16.6.4 Yes
Operating System cisco ios_xe 16.6.4a Yes
Operating System cisco ios_xe 16.6.5 Yes
Operating System cisco ios_xe 16.6.5a Yes
Operating System cisco ios_xe 16.6.6 Yes
Operating System cisco ios_xe 16.6.7 Yes
Operating System cisco ios_xe 16.6.8 Yes
Operating System cisco ios_xe 16.6.9 Yes
Operating System cisco ios_xe 16.6.10 Yes
Operating System cisco ios_xe 16.7.1 Yes
Operating System cisco ios_xe 16.7.1a Yes
Operating System cisco ios_xe 16.7.1b Yes
Operating System cisco ios_xe 16.7.2 Yes
Operating System cisco ios_xe 16.7.3 Yes
Operating System cisco ios_xe 16.7.4 Yes
Operating System cisco ios_xe 16.8.1 Yes
Operating System cisco ios_xe 16.8.1a Yes
Operating System cisco ios_xe 16.8.1b Yes
Operating System cisco ios_xe 16.8.1c Yes
Operating System cisco ios_xe 16.8.1d Yes
Operating System cisco ios_xe 16.8.1e Yes
Operating System cisco ios_xe 16.8.1s Yes
Operating System cisco ios_xe 16.8.2 Yes
Operating System cisco ios_xe 16.8.3 Yes
Operating System cisco ios_xe 16.9.1 Yes
Operating System cisco ios_xe 16.9.1a Yes
Operating System cisco ios_xe 16.9.1b Yes
Operating System cisco ios_xe 16.9.1s Yes
Operating System cisco ios_xe 16.9.2 Yes
Operating System cisco ios_xe 16.9.3 Yes
Operating System cisco ios_xe 16.9.3a Yes
Operating System cisco ios_xe 16.9.4 Yes
Operating System cisco ios_xe 16.9.5 Yes
Operating System cisco ios_xe 16.9.5f Yes
Operating System cisco ios_xe 16.9.6 Yes
Operating System cisco ios_xe 16.9.7 Yes
Operating System cisco ios_xe 16.9.8 Yes
Operating System cisco ios_xe 16.10.1 Yes
Operating System cisco ios_xe 16.10.1a Yes
Operating System cisco ios_xe 16.10.1b Yes
Operating System cisco ios_xe 16.10.1c Yes
Operating System cisco ios_xe 16.10.1d Yes
Operating System cisco ios_xe 16.10.1e Yes
Operating System cisco ios_xe 16.10.1f Yes
Operating System cisco ios_xe 16.10.1g Yes
Operating System cisco ios_xe 16.10.1s Yes
Operating System cisco ios_xe 16.10.2 Yes
Operating System cisco ios_xe 16.10.3 Yes
Operating System cisco ios_xe 16.11.1 Yes
Operating System cisco ios_xe 16.11.1a Yes
Operating System cisco ios_xe 16.11.1b Yes
Operating System cisco ios_xe 16.11.1s Yes
Operating System cisco ios_xe 16.11.2 Yes
Operating System cisco ios_xe 16.12.1 Yes
Operating System cisco ios_xe 16.12.1a Yes
Operating System cisco ios_xe 16.12.1c Yes
Operating System cisco ios_xe 16.12.1s Yes
Operating System cisco ios_xe 16.12.1t Yes
Operating System cisco ios_xe 16.12.1w Yes
Operating System cisco ios_xe 16.12.1x Yes
Operating System cisco ios_xe 16.12.1y Yes
Operating System cisco ios_xe 16.12.1z1 Yes
Operating System cisco ios_xe 16.12.1z2 Yes
Operating System cisco ios_xe 16.12.2 Yes
Operating System cisco ios_xe 16.12.2a Yes
Operating System cisco ios_xe 16.12.2s Yes
Operating System cisco ios_xe 16.12.3 Yes
Operating System cisco ios_xe 16.12.3a Yes
Operating System cisco ios_xe 16.12.3s Yes
Operating System cisco ios_xe 16.12.4 Yes
Operating System cisco ios_xe 16.12.4a Yes
Operating System cisco ios_xe 16.12.5 Yes
Operating System cisco ios_xe 16.12.5a Yes
Operating System cisco ios_xe 16.12.5b Yes
Operating System cisco ios_xe 16.12.6 Yes
Operating System cisco ios_xe 16.12.6a Yes
Operating System cisco ios_xe 16.12.7 Yes
Operating System cisco ios_xe 16.12.8 Yes
Operating System cisco ios_xe 16.12.9 Yes
Operating System cisco ios_xe 16.12.10 Yes
Operating System cisco ios_xe 16.12.10a Yes
Operating System cisco ios_xe 17.1.1 Yes
Operating System cisco ios_xe 17.1.1a Yes
Operating System cisco ios_xe 17.1.1s Yes
Operating System cisco ios_xe 17.1.1t Yes
Operating System cisco ios_xe 17.1.3 Yes
Operating System cisco ios_xe 17.2.1 Yes
Operating System cisco ios_xe 17.2.1a Yes
Operating System cisco ios_xe 17.2.1r Yes
Operating System cisco ios_xe 17.2.1v Yes
Operating System cisco ios_xe 17.2.2 Yes
Operating System cisco ios_xe 17.2.3 Yes
Operating System cisco ios_xe 17.3.1 Yes
Operating System cisco ios_xe 17.3.1a Yes
Operating System cisco ios_xe 17.3.1w Yes
Operating System cisco ios_xe 17.3.1x Yes
Operating System cisco ios_xe 17.3.1z Yes
Operating System cisco ios_xe 17.3.2 Yes
Operating System cisco ios_xe 17.3.2a Yes
Operating System cisco ios_xe 17.3.3 Yes
Operating System cisco ios_xe 17.3.4 Yes
Operating System cisco ios_xe 17.3.4a Yes
Operating System cisco ios_xe 17.3.4b Yes
Operating System cisco ios_xe 17.3.4c Yes
Operating System cisco ios_xe 17.3.5 Yes
Operating System cisco ios_xe 17.3.5a Yes
Operating System cisco ios_xe 17.3.5b Yes
Operating System cisco ios_xe 17.3.6 Yes
Operating System cisco ios_xe 17.3.7 Yes
Operating System cisco ios_xe 17.3.8 Yes
Operating System cisco ios_xe 17.3.8a Yes
Operating System cisco ios_xe 17.4.1 Yes
Operating System cisco ios_xe 17.4.1a Yes
Operating System cisco ios_xe 17.4.1b Yes
Operating System cisco ios_xe 17.4.2 Yes
Operating System cisco ios_xe 17.4.2a Yes
Operating System cisco ios_xe 17.5.1 Yes
Operating System cisco ios_xe 17.5.1a Yes
Operating System cisco ios_xe 17.6.1 Yes
Operating System cisco ios_xe 17.6.1a Yes
Operating System cisco ios_xe 17.6.1w Yes
Operating System cisco ios_xe 17.6.1x Yes
Operating System cisco ios_xe 17.6.1y Yes
Operating System cisco ios_xe 17.6.1z Yes
Operating System cisco ios_xe 17.6.1z1 Yes
Operating System cisco ios_xe 17.6.2 Yes
Operating System cisco ios_xe 17.6.3 Yes
Operating System cisco ios_xe 17.6.3a Yes
Operating System cisco ios_xe 17.6.4 Yes
Operating System cisco ios_xe 17.6.5 Yes
Operating System cisco ios_xe 17.6.5a Yes
Operating System cisco ios_xe 17.6.6 Yes
Operating System cisco ios_xe 17.6.6a Yes
Operating System cisco ios_xe 17.7.1 Yes
Operating System cisco ios_xe 17.7.1a Yes
Operating System cisco ios_xe 17.7.1b Yes
Operating System cisco ios_xe 17.7.2 Yes
Operating System cisco ios_xe 17.8.1 Yes
Operating System cisco ios_xe 17.8.1a Yes
Operating System cisco ios_xe 17.9.1 Yes
Operating System cisco ios_xe 17.9.1a Yes
Operating System cisco ios_xe 17.9.1w Yes
Operating System cisco ios_xe 17.9.1x Yes
Operating System cisco ios_xe 17.9.1x1 Yes
Operating System cisco ios_xe 17.9.1y Yes
Operating System cisco ios_xe 17.9.1y1 Yes
Operating System cisco ios_xe 17.9.2 Yes
Operating System cisco ios_xe 17.9.2a Yes
Operating System cisco ios_xe 17.9.3 Yes
Operating System cisco ios_xe 17.9.3a Yes
Operating System cisco ios_xe 17.9.4 Yes
Operating System cisco ios_xe 17.9.4a Yes
Operating System cisco ios_xe 17.10.1 Yes
Operating System cisco ios_xe 17.10.1a Yes
Operating System cisco ios_xe 17.10.1b Yes
Operating System cisco ios_xe 17.11.1 Yes
Operating System cisco ios_xe 17.11.1a Yes
Operating System cisco ios_xe 17.11.99sw Yes
Operating System cisco ios_xe 17.12.1 Yes
Operating System cisco ios_xe 17.12.1a Yes
Operating System cisco ios_xe 17.12.1w Yes
Operating System cisco ios_xe 17.12.2 Yes
Operating System cisco ios_xe 17.12.2a Yes

References