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Vulnerability Details :

CVE-2021-32968

Summary
Assigner-icscert
Assigner Org ID-7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At-01 Apr, 2022 | 22:17
Updated At-16 Apr, 2025 | 16:33
Rejected At-
Credits

Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow

Two buffer overflows in the built-in web server in Moxa NPort IAW5000A-I/O Series firmware version 2.2 or earlier may allow a remote attacker to cause a denial-of-service condition.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:icscert
Assigner Org ID:7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At:01 Apr, 2022 | 22:17
Updated At:16 Apr, 2025 | 16:33
Rejected At:
▼CVE Numbering Authority (CNA)
Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow

Two buffer overflows in the built-in web server in Moxa NPort IAW5000A-I/O Series firmware version 2.2 or earlier may allow a remote attacker to cause a denial-of-service condition.

Affected Products
Vendor
Moxa Inc.Moxa
Product
NPort IAW5000A-I/O Series firmware
Versions
Affected
  • From unspecified through 2.2 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-120CWE-120 Buffer Overflow
Type: CWE
CWE ID: CWE-120
Description: CWE-120 Buffer Overflow
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Moxa has developed solutions to address these vulnerabilities. Please contact Moxa Technical Support for a security patch. Moxa has also published a security advisory to provide more information.

Configurations
Workarounds
Exploits
Credits
Konstantin Kondratev, Evgeniy Druzhinin and Ilya Karpov of Rostelecom-Solar reported these vulnerabilities to Moxa.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
x_refsource_CONFIRM
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
x_refsource_CONFIRM
Hyperlink: https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
Resource:
x_refsource_CONFIRM
Hyperlink: https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
x_refsource_CONFIRM
x_transferred
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
x_refsource_CONFIRM
x_transferred
Hyperlink: https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
Resource:
x_refsource_CONFIRM
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ics-cert@hq.dhs.gov
Published At:01 Apr, 2022 | 23:15
Updated At:11 Apr, 2022 | 19:39

Two buffer overflows in the built-in web server in Moxa NPort IAW5000A-I/O Series firmware version 2.2 or earlier may allow a remote attacker to cause a denial-of-service condition.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches
Moxa Inc.
moxa
>>nport_iaw5150a-6i\/o>>-
cpe:2.3:h:moxa:nport_iaw5150a-6i\/o:-:*:*:*:*:*:*:*
Moxa Inc.
moxa
>>nport_iaw5150a-6i\/o_firmware>>Versions up to 2.2(inclusive)
cpe:2.3:o:moxa:nport_iaw5150a-6i\/o_firmware:*:*:*:*:*:*:*:*
Moxa Inc.
moxa
>>nport_iaw5150a-12i\/o>>-
cpe:2.3:h:moxa:nport_iaw5150a-12i\/o:-:*:*:*:*:*:*:*
Moxa Inc.
moxa
>>nport_iaw5150a-12i\/o_firmware>>Versions up to 2.2(inclusive)
cpe:2.3:o:moxa:nport_iaw5150a-12i\/o_firmware:*:*:*:*:*:*:*:*
Moxa Inc.
moxa
>>nport_iaw5250a-6i\/o>>-
cpe:2.3:h:moxa:nport_iaw5250a-6i\/o:-:*:*:*:*:*:*:*
Moxa Inc.
moxa
>>nport_iaw5250a-6i\/o_firmware>>Versions up to 2.2(inclusive)
cpe:2.3:o:moxa:nport_iaw5250a-6i\/o_firmware:*:*:*:*:*:*:*:*
Moxa Inc.
moxa
>>nport_iaw5250a-12i\/o>>-
cpe:2.3:h:moxa:nport_iaw5250a-12i\/o:-:*:*:*:*:*:*:*
Moxa Inc.
moxa
>>nport_iaw5250a-12i\/o_firmware>>Versions up to 2.2(inclusive)
cpe:2.3:o:moxa:nport_iaw5250a-12i\/o_firmware:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-120Primarynvd@nist.gov
CWE-120Secondaryics-cert@hq.dhs.gov
CWE ID: CWE-120
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-120
Type: Secondary
Source: ics-cert@hq.dhs.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01ics-cert@hq.dhs.gov
Mitigation
Third Party Advisory
US Government Resource
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilitiesics-cert@hq.dhs.gov
Third Party Advisory
Hyperlink: https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
Source: ics-cert@hq.dhs.gov
Resource:
Mitigation
Third Party Advisory
US Government Resource
Hyperlink: https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
Source: ics-cert@hq.dhs.gov
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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