CVE-2020-6973

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.

Published: 2020-02-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-6973 is rated Moderate Risk (43.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.83%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-6973

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.40% 0.83% +0.43%
2 2025-11-21 0.19% 0.40% +0.20%
3 2025-11-18 — 0.19% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-6973

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.2 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.7 4.0 [email protected]
6.3 2.0 MEDIUM
AV:N/AC:M/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.8 6.9 [email protected]

Weakness enumeration for CVE-2020-6973

Affected software / configurations for CVE-2020-6973

Vendor Product Version Raw CPE
digi connectport_lts_32_mei_bios 1.2 cpe:2.3:o:digi:connectport_lts_32_mei_bios:1.2:*:*:*:*:*:*:*
digi connectport_lts_32_mei_firmware 1.4.3 cpe:2.3:o:digi:connectport_lts_32_mei_firmware:1.4.3:*:*:*:*:*:*:*

References for CVE-2020-6973

URL Tags
https://www.us-cert.gov/ics/advisories/icsa-20-042-13 Third Party Advisory US Government Resource
cvelogic Threat Intelligence