HOMEVULNERABILITIESCVE-2020-6973
MEDIUM

CVE-2020-6973

CWE-79Published: February 13, 2020· Updated: Jun 17, 2026

6.2
CVSS v3.1

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.

NVD Source

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

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionRequired
ScopeChanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:N/A:H

Affected Vendors & Products

digi3 product(s)
connectport lts 32 mei biosconnectport lts 32 mei firmwareconnectport lts 32 mei
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://www.us-cert.gov/ics/advisories/icsa-20-042-13Third Party Advisory · US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-042-13Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2020-6973
CVSS Score6.2 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 13, 2020

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
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.