CVE-2020-8478
CVE-2020-8478 is a medium-severity vulnerability in Abb Mms Server with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-74
- Affected product: Abb Mms Server
- Published:
- Last modified:
Description
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 attacker authenticated on the local system to inject data, affecting the online view of runtime data shown in Control Builder.
Frequently asked questions
- What is CVE-2020-8478?
- 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 attacker authenticated on the local system to inject data, affecting the online view of runtime data shown in Control Builder.
- How severe is CVE-2020-8478?
- CVE-2020-8478 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2020-8478 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8478?
- CVE-2020-8478 primarily affects Abb Mms Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-8478?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8478 published?
- CVE-2020-8478 was published on 2020-04-29 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:abb:mms_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:abb:opc_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:abb:base_software:*:*:*:*:*:softcontrol:*:*
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