CVE-2021-27457 Weak cryptography in Emerson Rosemount X-STREAM Gas Analyzer

High 7.5 Published 20 May 2021 Updated 3 Aug 2024

Weak encryption in Emerson Rosemount X-STREAM Gas Analyzer allows attackers to easily obtain stored credentials, potentially leading to unauthorized access.

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-2021-27457?

CVE-2021-27457 is a high-severity vulnerability in Emerson Rosemount X-STREAM Gas Analyzer, published on 20 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected products utilize a weak encryption algorithm for storage of sensitive data, which may allow an attacker to more easily obtain credentials used for access.

Weakness: CWE-327, CWE-326

Which versions are affected by CVE-2021-27457?

It affects 4 products.

Products include Emerson X-Stream Enhanced Xefd Firmware, Emerson X-Stream Enhanced Xegk Firmware, Emerson X-Stream Enhanced Xegp Firmware, Emerson X-Stream Enhanced Xexf Firmware.

How do I fix CVE-2021-27457?

No fix has been published for CVE-2021-27457 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27457 being exploited?

There is no known exploitation of CVE-2021-27457 in the wild and no public exploit code.

Sources

Also known as GHSA-837h-j995-v8pg.