CVE-2021-38420 json
Delta Electronics DIALink
published 2021-11-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24872
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 13%
- public exploits
- 0
- none known
Summary
Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-294-02 updated cvss 7.8
Delta Electronics DIALink
-
Delta Electronics DIALink <= 1.2.4.0affected: vendor fix
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Delta Electronics DIALink
Classification
References
-
us-cert.cisa.gov
/ics/advisories/icsa-21-294-02
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-38420
- NVD CVE-2021-38420
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.