CVE-2021-38428

Dialink vulnerability

CVSS

5.5

EPSS

11.4%

EPSS pct

96th

Exploited

No known

Delta Electronics DIALink versions 1.2.4.0 and prior is vulnerable to cross-site scripting because an authenticated attacker can inject arbitrary JavaScript code into the parameter name of the API schedule, which may allow an attacker to remotely execute code.

Affected vendor

Deltaww

Affected product

Dialink

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2021-11-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 11.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2021-38428

Confirm whether Deltaww Dialink is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-38428.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-38428

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-38428 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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