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TI-2022-26383 Aliases CVE-2022-50930GHSA-44gv-4gx3-m4mf

Emerson PAC Machine Edition 9.80 Build 8695 - 'TrapiServer' Unquoted Service Path

Priority HIGH 72CWE-428Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.

Summary

Emerson PAC Machine Edition 9.80 contains an unquoted service path vulnerability in the TrapiServer service that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in the service configuration to inject malicious code that would execute with LocalSystem permissions during service startup.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00158 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EmersonEmerson PAC Machine Edition9.80—No fix listedCNA
  • Emerson PAC Machine Edition VendorEmerson Affected 9.80 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-50930
  2. 2026-10-03 Alias added: GHSA-44gv-4gx3-m4mf

References

  • TI-2021-20526 Emerson XWEB 300D EVO 3.0.7--3ee403 is affected by: unauthenticated arbitrary file… CVSS 3.1CRITICAL 9.8
  • TI-2021-20521 Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerability in… CVSS 3.1CRITICAL 9.8
  • TI-2020-08552 ICSA-20-140-02 Emerson OpenEnterprise CVSS 3.1CRITICAL 10.0
  • TI-2013-02455 Emerson Process Management ROC800 RTU with software 3.50 and earlier, DL8000 RTU with… CVSS 2.0HIGH 10.0
  • TI-2013-00581 The kernel in ENEA OSE on the Emerson Process Management ROC800 RTU with software 3.50… CVSS 2.0HIGH 10.0
  • TI-2013-00580 The TFTP server on the Emerson Process Management ROC800 RTU with software 3.50 and… CVSS 2.0HIGH 10.0
See all 92 →

Sources