CVE-2021-27463 Information disclosure in Emerson Rosemount X-STREAM Gas Analyzer

Medium 5.3 Published 20 May 2021 Updated 3 Aug 2024

Attackers can intercept persistent session cookies to access sensitive information in Emerson Rosemount X-STREAM Gas Analyzers.

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-2021-27463?

CVE-2021-27463 is a medium-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 applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.

Weakness: CWE-539

Which versions are affected by CVE-2021-27463?

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-2021-27463?

No fix has been published for CVE-2021-27463 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27463 being exploited?

There is no known exploitation of CVE-2021-27463 in the wild and no public exploit code.

Sources

Also known as GHSA-c9w5-6v8f-m5c7.