CVE-2024-20436
published 2024-09-25CVE-2024-20436: A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote…
PriorityP344high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.86%
54.4th percentile
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.
Affected
403 ranges· showing 25
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CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_cisco8.6HIGH
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Cisco
Cisco IOS XE Software HTTP Server Telephony Services Denial of Service Vulnerability
vendor_cisco·2024-09-25·CVSS 8.6
CVE-2024-20436 [HIGH] CWE-476 Cisco IOS XE Software HTTP Server Telephony Services Denial of Service Vulnerability
Cisco IOS XE Software HTTP Server Telephony Services Denial of Service Vulnerability
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.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the f
Cisco
Cisco IOS XE Software HTTP Server Telephony Services Denial of Service Vulnerability
vendor_cisco·CVSS 3.1
CVE-2024-20436 Cisco IOS XE Software HTTP Server Telephony Services Denial of Service Vulnerability
CVE-2024-20436: Cisco IOS XE Software HTTP Server Telephony Services Denial of Service Vulnerability
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. Cisco has released software updates that address this vulnerability. There are no
CVSS: 3.1
CWE: CWE-476, CWE-476
Bug IDs: CSCwh94964
GHSA
GHSA-mm34-xr6q-46qf: A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remo
ghsa_unreviewed·2024-09-25
CVE-2024-20436 [HIGH] CWE-476 GHSA-mm34-xr6q-46qf: A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remo
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2024-09-25
Published