CVE-2021-1512
Last modified
CVE-2021-1512 is a medium-severity vulnerability rated 6/10 on the CVSS scale. A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system of an affected system. This vulnerability is due to insufficient validation of the user-supplied input parameters of a specific CLI command. EPSS estimates a 0.23% 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 overwrite arbitrary files in the underlying file system of an affected system. This vulnerability is due to insufficient validation of the user-supplied input parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content in any arbitrary files that reside on the underlying host file system.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Catalyst Sd-Wan Manager | >= 19.2, < 19.2.3 |
| Cisco | Catalyst Sd-Wan Manager | >= 20.3, < 20.3.1 |
| Cisco | Catalyst Sd-Wan Manager | >= 20.4, < 20.4.1 |
| Cisco | Catalyst Sd-Wan Manager | >= 20.5, < 20.5.1 |
| Cisco | Sd-Wan Vbond Orchestrator | All versions |
| Cisco | Sd-Wan Vmanage | < 18.4.6 |
| Cisco | Sd-Wan Vmanage | >= 20.1, < 20.1.2 |
| Cisco | Vsmart Controller Firmware | All versions |
| Cisco | Vedge 100 Firmware | All versions |
| Cisco | Vedge 1000 Firmware | All versions |
| Cisco | Vedge 100b Firmware | All versions |
| Cisco | Vedge 100m Firmware | All versions |
| Cisco | Vedge 100wm Firmware | All versions |
| Cisco | Vedge 2000 Firmware | All versions |
| Cisco | Vedge 5000 Firmware | All versions |
| Cisco | Vedge-100b Firmware | All versions |
| Cisco | Vedge Cloud Firmware | All versions |
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.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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