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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.035 (88.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6989: held from 0.035 to 0.035.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.