CVE-2020-3476
Last modified
CVE-2020-3476 is a medium-severity vulnerability rated 6/10 on the CVSS scale. A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. The vulnerability is due to insufficient validation of the parameters of a specific CLI command. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. The vulnerability is due to insufficient validation of the 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 of any arbitrary file that resides 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 | Ios | 16.9 |
| Cisco | Ios | 16.10.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3476?
How severe is CVE-2020-3476?
How do I fix CVE-2020-3476?
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.
Related CVEs from 2020
- CVE-2020-3470Multiple vulnerabilities in the API subsystem of Cisco Integ…9.8
- CVE-2020-3471A vulnerability in Cisco Webex Meetings and Cisco Webex Meet…6.5
- CVE-2020-3472A vulnerability in the contacts feature of Cisco Webex Meeti…5
- CVE-2020-3473A vulnerability in task group assignment for a specific CLI …7.8
- CVE-2020-3474Multiple vulnerabilities in the web management framework of …8.1
- CVE-2020-3475Multiple vulnerabilities in the web management framework of …8.1
- CVE-2020-3477A vulnerability in the CLI parser of Cisco IOS Software and …5.5
- CVE-2020-3478A vulnerability in the REST API of Cisco Enterprise NFV Infr…8.1
- CVE-2020-3479A vulnerability in the implementation of Multiprotocol Borde…7.5
- CVE-2020-3480Multiple vulnerabilities in the Zone-Based Firewall feature …8.6
- CVE-2020-3481A vulnerability in the EGG archive parsing module in Clam An…7.5
- CVE-2020-3482A vulnerability in the Traversal Using Relays around NAT (TU…6.5
Are you affected by CVE-2020-3476?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST