Vulnerability Details : CVE-2021-32968
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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-32968
- cpe:2.3:o:moxa:nport_iaw5150a-6i\/o_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:moxa:nport_iaw5150a-12i\/o_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:moxa:nport_iaw5250a-6i\/o_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:moxa:nport_iaw5250a-12i\/o_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32968
0.97%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32968
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
ICS-CERT | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-32968
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by:
- ics-cert@hq.dhs.gov (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-32968
-
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
Moxa NPort IAW5000A-I/O Series Serial Device Server | CISAMitigation;Third Party Advisory;US Government Resource
-
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
NPort IAW5000A-I/O Series Serial Device Server VulnerabilitiesThird Party Advisory
Jump to