ABB
ABB MMS Server: vulnerabilities and CVEs
ABB MMS Server has 3 published vulnerabilities, 1 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.
CVEs3
Last 12 months1
Critical0
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-66349 | Medium (6.9) | 0.29% | — | Jul 30, 2026 | The MMS server connection handler contains a flaw in its processing of BER-encoded request data. When an MMS confirmed request PDU containing an extended BER tag is received over an established session, the decoder may… |
| CVE-2020-8478 | Low (3.3) | 0.34% | — | Apr 29, 2020 | Insufficient protection of the inter-process communication functions in ABB System 800xA products OPC Server for AC 800M, MMS Server for AC 800M and Base Software for SoftControl (all published versions) enables an… |
| CVE-2020-8472 | High (7.8) | 0.28% | — | Apr 29, 2020 | Insufficient folder permissions used by system functions in ABB System 800xA products OPCServer for AC800M (versions 6.0 and earlier) and Control Builder M Professional, MMSServer for AC800M, Base Software for… |
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