HOMEVULNERABILITIESCVE-2021-29298
MEDIUM

CVE-2021-29298

CWE-20Published: July 30, 2021· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

Improper Input Validation in Emerson GE Automation Proficy Machine Edition v8.0 allows an attacker to cause a denial of service and application crash via crafted traffic from a Man-in-the-Middle (MITM) attack to the component "FrameworX.exe"in the module "fxVPStatcTcp.dll".

NVD Source

Technical Analysis

CVE-2021-29298 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

emerson1 product(s)
proficy machine edition
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/boofish/GE_Proficy_Machine_Edition_vul
ADVISORYhttps://github.com/boofish/GE_Proficy_Machine_Edition_vul/blob/main/vul2/vul2_steps.pdf
ADVISORYhttps://github.com/boofish/GE_Proficy_Machine_Edition_vul
ADVISORYhttps://github.com/boofish/GE_Proficy_Machine_Edition_vul/blob/main/vul2/vul2_steps.pdf

All References (4)

→
https://github.com/boofish/GE_Proficy_Machine_Edition_vulBroken Link · Third Party Advisory
→
https://github.com/boofish/GE_Proficy_Machine_Edition_vul/blob/main/vul2/vul2_steps.pdfBroken Link · Third Party Advisory
→
https://github.com/boofish/GE_Proficy_Machine_Edition_vulBroken Link · Third Party Advisory
→
https://github.com/boofish/GE_Proficy_Machine_Edition_vul/blob/main/vul2/vul2_steps.pdfBroken Link · Third Party Advisory

Quick Facts

CVE IDCVE-2021-29298
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedJul 30, 2021

Related CVEs (CWE-20)

CVE-2013-4811
10.0
CVE-2013-4812
10.0
CVE-2008-4397
10.0
CVE-2008-0457
10.0
CVE-2011-0922
10.0
CVE-2007-6493
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-29298 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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