What is CVE-2021-37187?

CVE-2021-37187 is a medium-severity vulnerability in Digi Transport Dr64, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2021-12-10.

How severe is CVE-2021-37187?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Digi Transport Dr64

CVE-2021-37187

An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may read a password file (with reversible passwords) from the device, which allows decoding of other users' passwords.

Published 2021-12-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

www.digi.com/search/results (Vendor Advisory)
raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txt (Third Party Advisory)

Frequently asked questions

What is CVE-2021-37187?: CVE-2021-37187 is a medium-severity vulnerability in Digi Transport Dr64, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2021-12-10.
How severe is CVE-2021-37187?: Medium severity. CVSS v3 base score is 6.5 out of 10.