by Kastro
Paper/Archive/CVE-2021-32976

CVE-2021-32976

Moxa NPort IAW5000A-I/O series firmware — Moxa NPort IAW5000A-I/O Series Serial Device Server Stack-based Buffer Overflow

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (CNA, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 86.4.864 × 2017.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
NPort IAW5000A-I/O series firmwareunspecified – 2.2–CNA

Scores by source

icscert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcisa.gov/uscert/ics/advisories/icsa-21-187-01refmoxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities