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Se4801T0X Redundant Wireless I O Card Firmware CVE-2022-29964

MEDIUM
Use of Hard-coded Credentials (CWE-798)
2022-07-26 cve@mitre.org
Authentication Bypass Se4801T0X Redundant Wireless I O Card Firmware Deltav Distributed Control System Sq Controller Firmware Deltav Distributed Control System Sx Controller Firmware Se4002S1T2B6 High Side 40 Pin Mass I O Terminal Block Firmware Se4003S2B4 16 Pin Mass I O Terminal Block Firmware Se4003S2B524 Pin Mass I O Terminal Block Firmware Se4017P0 H1 I O Interface Card And Terminl Block Firmware Se4017P1 H1 I O Card With Integrated Power Firmware Se4019P0 Simplex H1 4 Port Plus Fieldbus I O Interface With Terminalblock Firmware Se4026 Virtual I O Module 2 Firmware Se4027 Virtual I O Module 2 Firmware Se4032S1T2B8 High Side 40 Pin Do Mass I O Terminal Block Firmware Se4037P0 H1 I O Interface Card And Terminl Block Firmware Se4037P1 Redundant H1 I O Card With Integrated Power And Terminal Block Firmware Se4039P0 Redundant H1 4 Port Plus Fieldbus I O Interface With Terminalblock Firmware Se4052S1T2B6 High Side 40 Pin Mass I O Terminal Block Firmware Se4082S1T2B8 High Side 40 Pin Do Mass I O Terminal Block Firmware Se4100 Simplex Ethernet I O Card Eioc Assembly Firmware Se4101 Simplex Ethernet I O Card Eioc Assembly Firmware Ve4103 Modbus Tcp Interface For Ethernet Connected I O Eioc Firmware Ve4104 Ethernet Ip Control Tag Integration For Ethernet Connected I O Eioc Firmware Ve4105 Ethernet Ip Interface For Ethernet Connected I O Eioc Firmware Ve4106 Opc Ua Client For Ethernet Connected I O Eioc Firmware Ve4107 Iec 61850 Mms Interface For Ethernet Connected I O Eioc Firmware Emerson
5.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-798
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Credential externalization
MITRE ATT&CK

2 techniques across 2 tactics: Persistence, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived

A local attacker with access to the system could gain access using credentials embedded in source code.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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Technical ContextAI · show details

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. WIOC SSH provides access to a shell as root, DeltaV, or backup via hardcoded credentials. NOTE: this is different from CVE-2014-2350. Affected products include: Emerson Deltav Distributed Control System Sq Controller Firmware, Emerson Deltav Distributed Control System Sx Controller Firmware, Emerson Se4002S1T2B6 High Side 40-Pin Mass I\/O Terminal Block Firmware, Emerson Se4003S2B4 16-Pin Mass I\/O Terminal Block Firmware, Emerson Se4003S2B524-Pin Mass I\/O Terminal Block Firmware. Version information: through 2022.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. WIOC SSH provides access to a shell as root, DeltaV, or backup via hardcoded credentials. NOTE: this is different from CVE-2014-2350.

Threat Intelligence Overview

EPSS Score
0.2%
Top 87% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:o:emerson:deltav_distributed_control_system_sq_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:deltav_distributed_control_system_sx_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4002s1t2b6_high_side_40-pin_mass_i\/o_terminal_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4003s2b4_16-pin_mass_i\/o_terminal_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4003s2b524-pin_mass_i\/o_terminal_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4017p0_h1_i\/o_interface_card_and_terminl_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4017p1_h1_i\/o_card_with_integrated_power_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4019p0_simplex_h1_4-port_plus_fieldbus_i\/o_interface_with_terminalblock_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4026_virtual_i\/o_module_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4027_virtual_i\/o_module_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4032s1t2b8_high_side_40-pin_do_mass_i\/o_terminal_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4037p0_h1_i\/o_interface_card_and_terminl_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4037p1_redundant_h1_i\/o_card_with_integrated_power_and_terminal_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4039p0_redundant_h1_4-port_plus_fieldbus_i\/o_interface_with_terminalblock_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4052s1t2b6_high_side_40-pin_mass_i\/o_terminal_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4082s1t2b8_high_side_40-pin_do_mass_i\/o_terminal_block_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4100_simplex_ethernet_i\/o_card_\(eioc\)_assembly_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4101_simplex_ethernet_i\/o_card_\(eioc\)_assembly_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:se4801t0x_redundant_wireless_i\/o_card_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:ve4103_modbus_tcp_interface_for_ethernet_connected_i\/o_\(eioc\)_firmware:*:*:*:*:*:*:*:*
+ 4 more

More in Se4801T0X Redundant Wireless I O Card Firmware

View all
CVE-2022-30260 HIGH
7.8 Dec 26

Emerson DeltaV Distributed Control System (DCS) has insufficient verification of firmware integrity (an inadequate check
CVE-2022-29965 MEDIUM
5.5 Jul 26

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. Rated

CVE-2022-29963 MEDIUM
5.5 Jul 26

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. Rated

CVE-2022-29962 MEDIUM
5.5 Jul 26

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. Rated

CVE-2016-9347 MEDIUM
5.0 Feb 13

An issue was discovered in Emerson SE4801T0X Redundant Wireless I/O Card V13.3, and SE4801T1X Simplex Wireless I/O Card

Same weakness CWE-798 – Use of Hard-coded Credentials

View all
CVE-2016-1560 CRITICAL POC
9.8
CVE-2017-14143 CRITICAL POC
9.8
CVE-2025-14611 HIGH POC
7.1
CVE-2026-22769 CRITICAL
10.0
CVE-2016-5678 CRITICAL POC
9.8
CVE-2017-6558 CRITICAL POC
9.8
CVE-2015-7246 CRITICAL POC
9.8
CVE-2015-4667 CRITICAL POC
9.8

Same technique Authentication Bypass

View all
CVE-2015-3306 CRITICAL POC
10.0
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2022-40684 CRITICAL POC
9.8
CVE-2025-61882 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3

References

Advisories & patches
REF https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03 REF https://www.forescout.com/blog/

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