CVE-2021-38424 Delta Electronics DIALink
Attackers can inject malicious formulas into DIALink tags that execute code when opened in spreadsheet applications, posing a risk to industrial control systems.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-38424?
CVE-2021-38424 is a medium-severity code injection vulnerability in Delta Electronics DIALink, published on 3 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-1236
Which versions are affected by CVE-2021-38424?
It affects 1 product.
Products include Deltaww Dialink.
How do I fix CVE-2021-38424?
No fix has been published for CVE-2021-38424 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-38424 being exploited?
There is no known exploitation of CVE-2021-38424 in the wild and no public exploit code.
Other vulnerabilities in Delta Electronics DIALink
- CVE-2025-58321 DIALink - Directory Traversal Authentication Bypass Vulnerability
- CVE-2022-2660 Hardcoded credentials in Industrial Automation DIALink
- CVE-2021-38418 Delta Electronics DIALink
- CVE-2022-2969 ICSA-22-307-03 Delta Industrial Automation DIALink Path traversal
- CVE-2021-38416 Delta Electronics DIALink
Sources
Also known as GHSA-39mq-9cjh-6382.