CVE-2021-27465

6.1 mediumEPSS 0.6%

Medium (6.1) in emerson. EPSS 0.6% chance of exploitation in the next 30 days.

A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications do not validate webpage input, which could allow an attacker to inject arbitrary HTML code into a webpage. This would allow an attacker to modify the page and display incorrect or undesirable data.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-05-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

emerson:x-stream_enhanced_xefd_firmware
emerson:x-stream_enhanced_xegk_firmware
emerson:x-stream_enhanced_xegp_firmware
emerson:x-stream_enhanced_xexf_firmware

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01
https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01

Check your stack JSON