CVE-2024-20436

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.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.41%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS XE Software
Published at:
Updated at:

References

Link Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-httpsrvr-dos-yOZThut vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-20436?
CVE-2024-20436 has been scored as a high severity vulnerability.
How to fix CVE-2024-20436?
To fix CVE-2024-20436, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-20436 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-20436 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-20436?
CVE-2024-20436 affects Cisco Cisco IOS XE Software.
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