CVE-2024-20271
Last modified
CVE-2024-20271 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A vulnerability in the IP packet processing of Cisco Access Point (AP) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of certain IPv4 packets. An attacker could exploit this vulnerability by sending a crafted IPv4 packet either to or through an affected device. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
Description
A vulnerability in the IP packet processing of Cisco Access Point (AP) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of certain IPv4 packets. An attacker could exploit this vulnerability by sending a crafted IPv4 packet either to or through an affected device. A successful exploit could allow the attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To successfully exploit this vulnerability, the attacker does not need to be associated with the affected AP. This vulnerability cannot be exploited by sending IPv6 packets.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios Xe | < 17.3.8 |
| Cisco | Ios Xe | >= 17.4, < 17.6.6 |
| Cisco | Ios Xe | >= 17.7, < 17.9.5 |
| Cisco | Ios Xe | >= 17.10, < 17.12.2 |
| Cisco | Business Access Points | < 10.9.1.0 |
| Cisco | Business Access Points | < 10.6.2.0 |
| Cisco | Wireless Lan Controller Software | < 8.10.190.0 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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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.
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