CVE-2021-1509
Last modified
CVE-2021-1509 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.
Description
Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Vedge 100 Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge 100 Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge 100 Firmware | 19.2.99 |
| Cisco | Vedge 1000 Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge 1000 Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge 1000 Firmware | 19.2.99 |
| Cisco | Vedge 100b Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge 100b Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge 100b Firmware | 19.2.99 |
| Cisco | Vedge 100m Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge 100m Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge 100m Firmware | 19.2.99 |
| Cisco | Vedge 100wm Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge 100wm Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge 100wm Firmware | 19.2.99 |
| Cisco | Vedge 2000 Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge 2000 Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge 2000 Firmware | 19.2.99 |
| Cisco | Vedge 5000 Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge 5000 Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge 5000 Firmware | 19.2.99 |
| Cisco | Vedge Cloud Firmware | >= 20.4, < 20.4.1 |
| Cisco | Vedge Cloud Firmware | >= 20.5, < 20.5.1 |
| Cisco | Vedge Cloud Firmware | 19.2.99 |
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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