CVE-2021-38422
CVE-2021-38422 is a high-severity vulnerability in Deltaww Dialink with a CVSS 3.x base score of 7.8. 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-312.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-312
- Affected product: Deltaww Dialink
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-38422?
- CVE-2021-38422 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-38422 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-38422?
- CVE-2021-38422 affects Deltaww Dialink. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-38422?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-38422 published?
- CVE-2021-38422 was published on 2021-11-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:deltaww:dialink:*:*:*:*:*:*:*:*
More vulnerabilities in Deltaww Dialink
- CVE-2025-58321 — Critical (CVSS 10.0): Delta Electronics DIALink has an Directory Traversal Authentication Bypass Vulnerability.
- CVE-2022-2660 — Critical (CVSS 9.8): Delta Industrial Automation DIALink versions 1.4.0.0 and prior are vulnerable to the use of a hard-coded cryptographic…
- CVE-2021-38418 — High (CVSS 8.8): Delta Electronics DIALink versions 1.2.4.0 and prior runs by default on HTTP, which may allow an attacker to be…
- CVE-2022-2969 — High (CVSS 8.1): Delta Industrial Automation DIALink versions prior to v1.5.0.0 Beta 4 uses an external input to construct a pathname…
- CVE-2021-38420 — High (CVSS 7.8): Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged…
- CVE-2021-38416 — High (CVSS 7.8): Delta Electronics DIALink versions 1.2.4.0 and prior insecurely loads libraries, which may allow an attacker to use DLL…
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