CVE-2020-3444
Last modified
CVE-2020-3444 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in the packet filtering features of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to bypass L3 and L4 traffic filters. The vulnerability is due to improper traffic filtering conditions on an affected device. EPSS estimates a 1.48% chance of exploitation in the next 30 days.
Description
A vulnerability in the packet filtering features of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to bypass L3 and L4 traffic filters. The vulnerability is due to improper traffic filtering conditions on an affected device. An attacker could exploit this vulnerability by crafting a malicious TCP packet with specific characteristics and sending it to a targeted device. A successful exploit could allow the attacker to bypass the L3 and L4 traffic filters and inject an arbitrary packet into the network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios Xe | <= 16.12.2r |
| Cisco | Ios Xe | >= 17.2, <= 17.2.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3444?
How severe is CVE-2020-3444?
How do I fix CVE-2020-3444?
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-2020-3437A vulnerability in the web-based management interface of Cis…6.5
- CVE-2020-3439A vulnerability in the web-based management interface of Cis…4.8
- CVE-2020-3440A vulnerability in Cisco Webex Meetings Desktop App for Wind…6.5
- CVE-2020-3441A vulnerability in Cisco Webex Meetings and Cisco Webex Meet…5.3
- CVE-2020-3442The DuoConnect client enables users to establish SSH connect…5.7
- CVE-2020-3443A vulnerability in Cisco Smart Software Manager On-Prem (SSM…8.8
- CVE-2020-3446A vulnerability in Cisco Virtual Wide Area Application Servi…9.8
- CVE-2020-3447A vulnerability in the CLI of Cisco AsyncOS for Cisco Email …6.5
- CVE-2020-3448A vulnerability in an access control mechanism of Cisco Cybe…5.8
- CVE-2020-3449A vulnerability in the Border Gateway Protocol (BGP) additio…4.3
- CVE-2020-3450A vulnerability in the web-based management interface of Cis…4.9
- CVE-2020-3451Multiple vulnerabilities in the web-based management interfa…4.7
Are you affected by CVE-2020-3444?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST