CVE-2026-20090
Last modified
CVE-2026-20090 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with administrative privileges to conduct a stored XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with administrative privileges to conduct a stored XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the browser of the targeted user or access sensitive, browser-based information.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Enterprise Nfv Infrastructure Software | 3.3.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.4.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.5.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.5.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.6.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.6.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.6.3 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.7.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.8.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.9.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.9.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.10.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.10.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.10.3 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.11.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.11.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.11.3 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.12.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.12.1a |
| Cisco | Enterprise Nfv Infrastructure Software | 3.12.1b |
| Cisco | Enterprise Nfv Infrastructure Software | 3.12.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 3.12.3 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.1.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.1.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.2.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.2.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.4.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.4.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.4.3 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.5.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.2-fc2 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.2-fc3 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.3 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.3-fc4 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.4 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.6.5-es1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.7.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.8.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.8.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.1 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.2 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.2-fc5 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.3 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.4 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.4-es8 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.4-es9 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.4-fc3 |
| Cisco | Enterprise Nfv Infrastructure Software | 4.9.5 |
Showing 50 of 261 affected configurations. See NVD for the full list.
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.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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