CVE-2020-26071
Last modified
CVE-2020-26071 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Catalyst Sd-Wan Manager | 17.2.4 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.5 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.6 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.7 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.8 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.9 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.10 |
| Cisco | Catalyst Sd-Wan Manager | 18.2.0 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.0 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.1.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.3 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.3.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.4 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.5 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.6 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.6.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.7 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.8 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.0 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.0.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.3 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.4 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.5 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.302 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.303 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.501_es |
| Cisco | Catalyst Sd-Wan Manager | 19.0.0 |
| Cisco | Catalyst Sd-Wan Manager | 19.0.1a |
| Cisco | Catalyst Sd-Wan Manager | 19.1.0 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.0 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.1 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.2 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.3 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.097 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.098 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.099 |
| Cisco | Catalyst Sd-Wan Manager | 19.3.0 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.1 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.1.1 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.12 |
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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