CVE-2024-20451 — HIGH (7.5)

Vulnerability Description

Multiple vulnerabilities in the web-based management interface of Cisco Small Business SPA300 Series IP Phones and Cisco Small Business SPA500 Series IP Phones could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly. These vulnerabilities exist because HTTP packets are not properly checked for errors. An attacker could exploit this vulnerability by sending a crafted HTTP packet to the remote interface of an affected device. A successful exploit could allow the attacker to cause a DoS condition on the device.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Spa 301 Firmware	All versions
Cisco	Spa 301 1 Line Ip Phone	-
Cisco	Spa 303 Firmware	All versions
Cisco	Spa 303 3 Line Ip Phone	-
Cisco	Spa 501G Firmware	All versions
Cisco	Spa 501G 8-Line Ip Phone	-
Cisco	Spa 502G Firmware	All versions
Cisco	Spa 502G 1-Line Ip Phone	-
Cisco	Spa 504G Firmware	All versions
Cisco	Spa 504G 4-Line Ip Phone	-
Cisco	Spa 508G Firmware	All versions
Cisco	Spa 508G 8-Line Ip Phone	-
Cisco	Spa 509G Firmware	All versions
Cisco	Spa 509G 12-Line Ip Phone	-
Cisco	Spa 512G Firmware	All versions
Cisco	Spa 512G 1-Line Ip Phone	-
Cisco	Spa 514G Firmware	All versions
Cisco	Spa 514G 4-Line Ip Phone	-
Cisco	Spa 525G Firmware	All versions
Cisco	Spa 525G 5-Line Ip Phone	-

Related Weaknesses (CWE)

CWE-120

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory

FAQ

What is CVE-2024-20451?

CVE-2024-20451 is a vulnerability with a CVSS score of 7.5 (HIGH). Multiple vulnerabilities in the web-based management interface of Cisco Small Business SPA300 Series IP Phones and Cisco Small Business SPA500 Series IP Phones could allow an unauthenticated, remote a...

How severe is CVE-2024-20451?

CVE-2024-20451 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-20451?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Spa 301 Firmware, Cisco Spa 301 1 Line Ip Phone, Cisco Spa 303 Firmware, Cisco Spa 303 3 Line Ip Phone, Cisco Spa 501G Firmware.