Buffer Overflow Vulnerability in Moxa PT-7528 and PT-7828 Series Firmware
CVE-2020-6989

9.8CRITICAL

Key Information:

Vendor

Moxa
Status
Moxa Pt-7528 Series Firmware, Version 4.0 Or Lower, Pt-7828 Series Firmware, Version 3.9 Or Lower
Vendor
CVE Published:
24 March 2020

What is CVE-2020-6989?

A buffer overflow vulnerability exists in the Moxa PT-7528 series firmware (Version 4.0 and lower) and PT-7828 series firmware (Version 3.9 and lower). This security flaw in the web server can be exploited by remote attackers, potentially leading to a denial-of-service condition or enabling the execution of arbitrary code. Organizations using these firmware versions are encouraged to assess their vulnerability and apply necessary security patches or mitigations.

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Affected Version(s)

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

References

https://www.us-cert.gov/ics/advisories/icsa-20-056-03
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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