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CVE-2024-20436

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CVE-2024-20436

Published: Sep 25, 2024

Modified: Sep 25, 2024

PUBLISHED

CVSS v3.1

8.6

HIGH

Description

A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a null pointer dereference when accessing specific URLs. An attacker could exploit this vulnerability by sending crafted HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, causing a DoS condition on the affected device.

VendorProductVersions

Cisco

Cisco IOS XE Software

affected
3.9.1S
affected
3.9.2S
affected
3.9.0aS
affected
3.10.0S
affected
3.10.1S

+196 more versions

Weaknesses (CWE)

CWE-476

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

References

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