Vulnerability in Abb Ac800m
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Abb Ac800m
- Abb Base Software
- Abb Base Software For Softcontrol — versions 6.1 and earlier
- Abb Control Builder M
- Abb Control Builder M Professional — versions 6.1 and earlier
- Abb Mms Server
- Abb Mms Server For Ac 800m — versions 6.1 and earlier
- Abb Opc Server
- Abb Opc Server For Ac 800m — versions 6.0 and earlier
Weakness classification (CWE)
References
- search.abb.com/library/Download.aspx (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-8472?
- CVE-2020-8472 is a medium-severity vulnerability in Abb Ac800m, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2020-04-29.
- How severe is CVE-2020-8472?
- Medium severity. CVSS v3 base score is 5.5 out of 10.