CVE-2020-6973
CWE-79Published: February 13, 2020· Updated: Jun 17, 2026
Official Description
Digi International ConnectPort LTS 32 MEI, Firmware Version 1.4.3 (82002228_K 08/09/2018), bios Version 1.2. Multiple cross-site scripting vulnerabilities exist that could allow an attacker to cause a denial-of-service condition.
Technical Analysis
CVE-2020-6973 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.2.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-6973 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts