CVE-2021-27480 Memory corruption in Delta Industrial Automation COMMGR

Critical 9.8 Published Updated

A stack-based buffer overflow in Delta Industrial Automation COMMGR allows attackers to execute remote code, posing a critical risk to industrial control systems.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-27480?

CVE-2021-27480 is a critical memory corruption vulnerability in Delta Industrial Automation COMMGR, published on 27 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Delta Industrial Automation COMMGR Versions 1.12 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute remote code.

Weakness: CWE-121

Which versions are affected by CVE-2021-27480?

It affects 1 product.

Products include Deltaww Industrial Automation Commgr.

How do I fix CVE-2021-27480?

No fix has been published for CVE-2021-27480 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-27480 being exploited?

There is no known exploitation of CVE-2021-27480 in the wild and no public exploit code.

Sources

Also known as GHSA-6xq6-9j2p-q9cg.

Is CVE-2021-27480 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free