Vulnerability in Abb 800xa System
CVE-2020-8471
For the Central Licensing Server component used in ABB products ABB Ability™ System 800xA and related system extensions versions 5.1, 6.0 and 6.1, Compact HMI versions 5.1 and 6.0, Control Builder Safe 1.0, 1.1 and 2.0, Symphony Plus -S+ Operations 3.0 to 3.2 Symphony Plus -S+ Engineering 1.1 to 2.2, Composer Harmony 5.1, 6.0 and 6.1, Melody Composer 5.3, 6.1/6.2 and SPE for Melody 1.0SPx (Composer 6.3), Harmony OPC Server (HAOPC) Standalone 6.0, 6.1 and 7.0, ABB Ability™ System 800xA/ Advant® OCS Control Builder A 1.3 and 1.4, Advant® OCS AC100 OPC Server 5.1, 6.0 and 6.1, Composer CTK 6.1 and 6.2, AdvaBuild 3.7 SP1 and SP2, OPCServer for MOD 300 (non-800xA) 1.4, OPC Data Link 2.1 and 2.2, Knowledge Manager 8.0, 9.0 and 9.1, Manufacturing Operations Management 1812 and 1909, weak file permissions allow an authenticated attacker to block the license handling, escalate his/her privileges and execute arbitrary code.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Abb 800xa System — versions 5.1
- Abb Ability System 800xa — versions 5.1, 6.0, 6.1
- Abb Advabuild — versions 3.7 SP1, 3.7 SP2
- Abb Advant Ocs Ac 100 Ops Server — versions 5.1, 6.0, 6.1
- Abb Advant Ocs Control Builder A — versions 1.3, 1.4
- Abb Central Licensing System — versions 5.1
- Abb Compact Hmi — versions 5.1, 6.0
- Abb Compact Hmi — versions 5.1
- Abb Composer Ctk — versions 6.1, 6.2
- Abb Composer Harmony — versions 5.1, 6.0, 6.1
Weakness classification (CWE)
References
- search.abb.com/library/Download.aspx (Vendor Advisory)
- search.abb.com/library/Download.aspx (Vendor Advisory)
- www.us-cert.gov/ics/advisories/icsa-20-154-04
Frequently asked questions
- What is CVE-2020-8471?
- CVE-2020-8471 is a high-severity vulnerability in Abb 800xa System, classified under Permission Issues. CVSS score: 7.8/10. Published 2020-04-29.
- How severe is CVE-2020-8471?
- High severity. CVSS v3 base score is 7.8 out of 10.