Denial of Service attack on Symphony Plus
Priority MEDIUM 46CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A S+ Operations and S+ Historian service is subject to a DoS by special crafted messages. An attacker might use this flaw to make it crash or even execute arbitrary code on the machine where the service is hosted.
Why it matters now
EPSS 0.01886 79th percentileScored 2026-11-07
Fix Fixed ABB Ability™ Symphony® Plus Operations (ABB): 3.3 Service Pack 1, 2.1 SP2 Rollup 2, 2.2ABB Ability™ Symphony® Plus Historian (ABB): 3.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ABB | ABB Ability™ Symphony® Plus Operations | before 3.3 Service Pack 1; before 2.1 SP2 Rollup 2; before 2.2 | 3.3 Service Pack 1, 2.1 SP2 Rollup 2, 2.2 | Patch available | CNA |
| ABB | ABB Ability™ Symphony® Plus Historian | before 3.2 | 3.2 | Patch available | CNA |
- ABB Ability™ Symphony® Plus Operations VendorABB Affected before 3.3 Service Pack 1; before 2.1 SP2 Rollup 2; before 2.2 Fixed in 3.3 Service Pack 1, 2.1 SP2 Rollup 2, 2.2 Patch available CNA
- ABB Ability™ Symphony® Plus Historian VendorABB Affected before 3.2 Fixed in 3.2 Patch available CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:abb:symphony_\+_historian:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_historian:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:2.1:sp1:*:*:*:*:*:* | 2.1 sp1 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:2.1:sp2:*:*:*:*:*:* | 2.1 sp2 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | ABB |
| cpe:2.3:a:abb:symphony_\+_operations:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | ABB |
- cpe:2.3:a:abb:symphony_\+_historian:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_historian:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:2.1:sp1:*:*:*:*:*:* Versions 2.1 sp1 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:2.1:sp2:*:*:*:*:*:* Versions 2.1 sp2 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·ABB
- cpe:2.3:a:abb:symphony_\+_operations:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·ABB
Remediation
- Fix · CNA ABB Ability™ Symphony® Plus Operations (ABB) Fixed in 3.3 Service Pack 1, 2.1 SP2 Rollup 2, 2.2
- Fix · CNA ABB Ability™ Symphony® Plus Historian (ABB) Fixed in 3.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
ABB Ability™ Symphony® Plus Historian, ABB Ability™ Symphony® Plus Operations 2.1 SP2 Rollup 2, 2.2 and 2 more versions
8 records Highest priority Priority MEDIUM 6 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2020-15142 Weak Authentication in Symphony PlusPriority MEDIUM 44
- TI-2020-15141 Improper Authorization in Symphony PlusPriority MEDIUM 44
- TI-2020-15140 SQL Injection in Symphony PlusPriority MEDIUM 44
Timeline
- 2026-10-02 Threatist record created from CVE-2020-24679
- 2026-10-03 Alias added: GHSA-j5q4-h79w-mh86
References
More ABB Symphony + Historian vulnerabilities
- TI-2020-15150 Authentication Bypass in Symphony Plus CVSS 3.1CRITICAL 9.8
- TI-2020-15142 Weak Authentication in Symphony Plus CVSS 3.1CRITICAL 9.8
- TI-2020-15141 Improper Authorization in Symphony Plus CVSS 3.1HIGH 8.8
- TI-2020-15140 SQL Injection in Symphony Plus CVSS 3.1CRITICAL 9.8
- TI-2020-15145 Potential Privilege Escalation in Symphony Plus CVSS 3.1HIGH 8.8
- TI-2020-15144 Insecure Web Service in Symphony Plus CVSS 3.1HIGH 8.8
Sources
- CVE-2020-24679 · CVE Program
- CVE-2020-24679 · NVD
- FIRST EPSS
- GHSA-j5q4-h79w-mh86 · GitHub Advisory Database · CC BY 4.0
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