What is CVE-2021-38422?

CVE-2021-38422 is a high-severity vulnerability in Delta Electronics Dialink, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.8/10. Published 2021-11-03.

How severe is CVE-2021-38422?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Delta Electronics Dialink

CVE-2021-38422

Delta Electronics DIALink versions 1.2.4.0 and prior stores sensitive information in cleartext, which may allow an attacker to have extensive access to the application directory and escalate privileges.

Published 2021-11-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Delta Electronics Dialink — versions All
Deltaww Dialink

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

us-cert.cisa.gov/ics/advisories/icsa-21-294-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-38422?: CVE-2021-38422 is a high-severity vulnerability in Delta Electronics Dialink, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.8/10. Published 2021-11-03.
How severe is CVE-2021-38422?: High severity. CVSS v3 base score is 7.8 out of 10.