CVE-2021-37386 Cross-site scripting in n/a

High 7.5 Published Updated

An attacker can inject HTML via the serial number update function in Furukawa Electric LatAm devices, potentially executing scripts or bypassing security controls.

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-2021-37386?

CVE-2021-37386 is a high-severity cross-site scripting vulnerability in n/a, published on 17 Jul 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.

Weakness: CWE-79

Which versions are affected by CVE-2021-37386?

It affects 4 products.

Products include Furukawa 423-41w\/Ac Firmware, Furukawa Ld420-10r Firmware, Furukawa Ld421-21w Firmware, Furukawa Ld421-21wv Firmware.

How do I fix CVE-2021-37386?

No fix has been published for CVE-2021-37386 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-37386 being exploited?

There is no known exploitation of CVE-2021-37386 in the wild and no public exploit code.

Sources

Also known as GHSA-jjh9-589p-ccp8.

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