How severe is CVE-2021-38424?

CVE-2021-38424 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-38424 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38424?

CVE-2021-38424 affects Deltaww Dialink. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38424?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-38424 published?

CVE-2021-38424 was published on 2021-11-03 and last updated on 2026-06-17.

CVE-2021-38424

CVE-2021-38424 is a medium-severity vulnerability in Deltaww Dialink with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1236.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 6.8
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Deltaww Dialink
Published: 2021-11-03
Last modified: 2026-06-17

Description

The tag interface of Delta Electronics DIALink versions 1.2.4.0 and prior is vulnerable to an attacker injecting formulas into the tag data. Those formulas may then be executed when it is opened with a spreadsheet application.

Frequently asked questions

What is CVE-2021-38424?: The tag interface of Delta Electronics DIALink versions 1.2.4.0 and prior is vulnerable to an attacker injecting formulas into the tag data. Those formulas may then be executed when it is opened with a spreadsheet application.
How severe is CVE-2021-38424?: CVE-2021-38424 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-38424 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38424?: CVE-2021-38424 affects Deltaww Dialink. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38424?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38424 published?: CVE-2021-38424 was published on 2021-11-03 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02

Affected products (1)

cpe:2.3:a:deltaww:dialink:*:*:*:*:*:*:*:*

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