CVE-2020-8472
CVE-2020-8472 is a medium-severity vulnerability in Abb Control Builder M with a CVSS 3.x base score of 5.5. 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-732.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 6.8
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Abb Control Builder M
- Published:
- Last modified:
Description
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 SoftControl (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploited the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.
Frequently asked questions
- What is CVE-2020-8472?
- 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 SoftControl (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploited the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.
- How severe is CVE-2020-8472?
- CVE-2020-8472 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-8472 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8472?
- CVE-2020-8472 primarily affects Abb Control Builder M. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-8472?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8472 published?
- CVE-2020-8472 was published on 2020-04-29 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:abb:control_builder_m:*:*:*:*:professional:*:*:*
- 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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