CVE-2024-20451
Last modified
CVE-2024-20451 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Spa 301 Firmware | All versions |
| Cisco | Spa 303 Firmware | All versions |
| Cisco | Spa 501g Firmware | All versions |
| Cisco | Spa 502g Firmware | All versions |
| Cisco | Spa 504g Firmware | All versions |
| Cisco | Spa 508g Firmware | All versions |
| Cisco | Spa 509g Firmware | All versions |
| Cisco | Spa 512g Firmware | All versions |
| Cisco | Spa 514g Firmware | All versions |
| Cisco | Spa 525g Firmware | All versions |
| Cisco | Spa 525g2 Firmware | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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