CVE-2020-3375
Last modified
CVE-2020-3375 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. EPSS estimates a 3.87% chance of exploitation in the next 30 days.
Description
A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to information that they are not authorized to access, make changes to the system that they are not authorized to make, and execute commands on an affected system with privileges of the root user.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Sd-Wan | <= 18.3.0 |
| Cisco | Sd-Wan | >= 18.4.0, < 18.4.5 |
| Cisco | Sd-Wan | >= 19.2.0, < 19.2.2 |
| Cisco | Sd-Wan | >= 19.3.0, < 20.1.1 |
| Cisco | Ios Xe Sd-Wan | <= 16.9.0 |
| Cisco | Ios Xe Sd-Wan | >= 16.12.0, <= 16.12.4 |
| Cisco | Ios Xe Sd-Wan | >= 17.2.0, <= 17.2.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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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