Detections
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Moxa PT-7528 and PT-7828 Series Buffer Overflow (CVE-2020-6989)
critical Tenable OT Security Plugin ID 501567
Synopsis
The remote OT asset is affected by a vulnerability.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.This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
Solution
Refer to the vendor advisory.See Also
Plugin Details
Severity: Critical
ID: 501567
Version: 1.5
Type: remote
Family: Tenable.ot
Published: 8/2/2023
Updated: 12/5/2024
Supported Sensors: Tenable OT Security
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2020-6989
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv_firmware, cpe:/o:moxa:pt-7828-f-24_firmware, cpe:/o:moxa:pt-7828-r-hv-hv_firmware, cpe:/o:moxa:pt-7528-24tx-wv-wv_firmware, cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7828-r-48_firmware, cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv_firmware, cpe:/o:moxa:pt-7828-f-48-hv_firmware, cpe:/o:moxa:pt-7828-f-hv_firmware, cpe:/o:moxa:pt-7828-r-24-24_firmware, cpe:/o:moxa:pt-7828-r-48-hv_firmware, cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv_firmware, cpe:/o:moxa:pt-7528-24tx-hv-hv_firmware, cpe:/o:moxa:pt-7528-24tx-wv_firmware, cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv_firmware, cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7828-f-48-48_firmware, cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7828-f-24-hv_firmware, cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7828-r-24-hv_firmware, cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7828-r-24_firmware, cpe:/o:moxa:pt-7828-r-48-48_firmware, cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv_firmware, cpe:/o:moxa:pt-7528-24tx-wv-hv_firmware, cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7828-r-hv_firmware, cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-24tx-hv_firmware, cpe:/o:moxa:pt-7828-f-hv-hv_firmware, cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7828-f-48_firmware, cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv_firmware, cpe:/o:moxa:pt-7828-f-24-24_firmware, cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-hv-hv_firmware, cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv_firmware, cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-wv-wv_firmware, cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv_firmware, cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv_firmware
Required KB Items: Tenable.ot/Moxa
Exploit Ease: No known exploits are available
Patch Publication Date: 3/24/2020
Vulnerability Publication Date: 3/24/2020
Reference Information
CVE: CVE-2020-6989