Vulnerability · Published Mar 24, 2020 · Assigned by icscert
CVE-2020-6989
Critical 9.8
In plain English
A critical-severity stack buffer overflow in Moxa PT-7528 series firmware, Version 4.0 or lower, PT-7828 series firmware, Version 3.9 or lower. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.5%top 10.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Moxa PT-7528 series firmware, Version 4.0 or lower, PT-7828 series firmware, Version 3.9 or lower | Moxa PT-7528 series firmware, Version 4.0 or lower, PT-7828 series firmware, Version 3.9 or lower |
Weakness: CWE-121
References
- https://www.us-cert.gov/ics/advisories/icsa-20-056-03 x_refsource_MISC