Buffer overflow in Moxa Pt-7528-12msc-12tx-4gsfp-Hv
CVE-2020-6989
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, a buffer overflow in the web server allows remote attackers to cause a denial-of-service condition or execute arbitrary code.
Vulnerability class: Buffer Overflow
EPSS: 0.028 (85.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Moxa Pt-7528-12msc-12tx-4gsfp-hv
- Moxa Pt-7528-12msc-12tx-4gsfp-hv_firmware
- Moxa Pt-7528-12msc-12tx-4gsfp-hv-hv
- Moxa Pt-7528-12msc-12tx-4gsfp-hv-hv_firmware
- Moxa Pt-7528-12msc-12tx-4gsfp-wv
- Moxa Pt-7528-12msc-12tx-4gsfp-wv_firmware
- Moxa Pt-7528-12msc-12tx-4gsfp-wv-wv
- Moxa Pt-7528-12msc-12tx-4gsfp-wv-wv_firmware
- Moxa Pt-7528-12mst-12tx-4gsfp-hv
- Moxa Pt-7528-12mst-12tx-4gsfp-hv_firmware
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-6989?
- CVE-2020-6989 is a critical-severity vulnerability in Moxa Pt-7528-12msc-12tx-4gsfp-Hv, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-03-24.
- How severe is CVE-2020-6989?
- Critical severity. CVSS v3 base score is 9.8 out of 10.