CVE-2023-20046
Last modified
CVE-2023-20046 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in the key-based SSH authentication feature of Cisco StarOS Software could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied credentials. An attacker could exploit this vulnerability by sending a valid low-privileged SSH key to an affected device from a host that has an IP address that is configured as the source for a high-privileged user account. EPSS estimates a 0.86% chance of exploitation in the next 30 days.
Description
A vulnerability in the key-based SSH authentication feature of Cisco StarOS Software could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied credentials. An attacker could exploit this vulnerability by sending a valid low-privileged SSH key to an affected device from a host that has an IP address that is configured as the source for a high-privileged user account. A successful exploit could allow the attacker to log in to the affected device through SSH as a high-privileged user. There are workarounds that address this vulnerability.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Staros | < 21.22.14 |
| Cisco | Staros | >= 21.23.0, < 21.23.31 |
| Cisco | Staros | >= 21.25.0, < 21.25.15 |
| Cisco | Staros | >= 21.26.0, < 21.26.17 |
| Cisco | Staros | >= 21.27.0, < 21.27.6 |
| Cisco | Staros | >= 21.28.0, < 21.28.3 |
| Cisco | Staros | 21.23.n |
| Cisco | Staros | 21.24 |
| Cisco | Staros | 21.27.m |
| Cisco | Staros | 21.28.m |
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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