CVE-2021-32976

Five 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 initiate a denial-of-service attack and execute arbitrary code.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01	Mitigation Third Party Advisory US Government Resource
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:moxa:nport_iaw5150a-6i\/o_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:moxa:nport_iaw5150a-6i\/o:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:moxa:nport_iaw5150a-12i\/o_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:moxa:nport_iaw5150a-12i\/o:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:moxa:nport_iaw5250a-6i\/o_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:moxa:nport_iaw5250a-6i\/o:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:moxa:nport_iaw5250a-12i\/o_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:moxa:nport_iaw5250a-12i\/o:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-04-01 23:15

Updated : 2024-02-28 19:09

NVD link : CVE-2021-32976

Mitre link : CVE-2021-32976

CVE.ORG link : CVE-2021-32976

JSON object : View

Products Affected

moxa

nport_iaw5250a-6i\/o_firmware
nport_iaw5150a-12i\/o
nport_iaw5150a-6i\/o_firmware
nport_iaw5250a-6i\/o
nport_iaw5150a-6i\/o
nport_iaw5250a-12i\/o
nport_iaw5250a-12i\/o_firmware
nport_iaw5150a-12i\/o_firmware

CWE

CWE-787

Out-of-bounds Write

CWE-121

Stack-based Buffer Overflow

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