Vulnerability Details : 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.
Vulnerability category: Execute code
Products affected by CVE-2020-8471
- cpe:2.3:a:abb:800xa_system:5.1:-:*:*:*:*:*:*
- cpe:2.3:a:abb:800xa_system:5.1:feature_pack_4:*:*:*:*:*:*
- cpe:2.3:a:abb:800xa_system:5.1:feature_pack_4_revision_d:*:*:*:*:*:*
- cpe:2.3:a:abb:800xa_system:5.1:revision_a:*:*:*:*:*:*
- cpe:2.3:a:abb:800xa_system:5.1:revision_b:*:*:*:*:*:*
- cpe:2.3:a:abb:800xa_system:5.1:revision_c:*:*:*:*:*:*
- cpe:2.3:a:abb:800xa_system:5.1:revision_d:*:*:*:*:*:*
- cpe:2.3:a:abb:compact_hmi:5.1:-:*:*:*:*:*:*
- cpe:2.3:a:abb:compact_hmi:5.1:feature_pack_4_revision_d:*:*:*:*:*:*
- cpe:2.3:a:abb:compact_hmi:5.1:revision_b:*:*:*:*:*:*
- cpe:2.3:a:abb:compact_hmi:5.1:revision_d:*:*:*:*:*:*
- cpe:2.3:a:abb:control_builder_safe:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:abb:control_builder_safe:1.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8471
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8471
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Asea Brown Boveri Ltd. (ABB) | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-8471
-
Assigned by: cybersecurity@ch.abb.com (Secondary)
-
During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8471
-
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121230&LanguageCode=en&DocumentPartId=&Action=Launch
Vendor Advisory
-
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121231&LanguageCode=en&DocumentPartId=&Action=Launch
Vendor Advisory
-
https://www.us-cert.gov/ics/advisories/icsa-20-154-04
ABB Central Licensing System | CISA
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