CVE-2020-24676 json
Insecure Windows Services in Symphony Plus
published 2020-12-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17390
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
In Symphony Plus Operations and Symphony Plus Historian, some services can be vulnerable to privilege escalation attacks. An unprivileged (but authenticated) user could execute arbitrary code and result in privilege escalation, depending on the user that the service runs as.
Patch / fix
- ABB ABB Ability™ Symphony® Plus Operations 2.1 SP2 Rollup 2, 2.2, 3.3 Service Pack 1
- ABB ABB Ability™ Symphony® Plus Historian 3.2
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- ABB ABB Ability™ Symphony® Plus Operations
- ABB ABB Ability™ Symphony® Plus Historian
Classification
- Weakness
-
- CWE-274 Improper Handling of Insufficient Privileges
References
-
search.abb.com
/library/Download.aspx?DocumentID=2PAA123980&LanguageCode=en&DocumentPartId=&Action=Launch
mitigation, vendor-advisory
-
search.abb.com
/library/Download.aspx?DocumentID=2PAA123982&LanguageCode=en&DocumentPartId=&Action=Launch
mitigation, vendor-advisory
Sources
- CVE List CVE-2020-24676
- NVD CVE-2020-24676
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