CVE-2020-24675: Weak Authentication in Symphony Plus
First published: Tue Dec 22 2020(Updated: )
In S+ Operations and S+ History, it is possible that an unauthenticated user could inject values to the Operations History server (or standalone S+ History server) and ultimately write values to the controlled process.
Credit: cybersecurity@ch.abb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Abb Symphony \+ Historian | =3.0 | |
| Abb Symphony \+ Historian | =3.1 | |
| Abb Symphony \+ Operations | =1.1 | |
| Abb Symphony \+ Operations | =2.0 | |
| Abb Symphony \+ Operations | =2.1-sp1 | |
| Abb Symphony \+ Operations | =2.1-sp2 | |
| Abb Symphony \+ Operations | =3.0 | |
| Abb Symphony \+ Operations | =3.1 | |
| Abb Symphony \+ Operations | =3.2 | |
| Abb Symphony \+ Operations | =3.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-24675?
CVE-2020-24675 is a vulnerability in ABB Symphony + Historian and Symphony + Operations that allows an unauthenticated user to inject values into the Operations History server or standalone S+ History server and write values to the controlled process.
Which software versions are affected by CVE-2020-24675?
The affected software versions are Symphony + Historian 3.0 and 3.1, and Symphony + Operations 1.1, 2.0, 2.1-sp1, 2.1-sp2, 3.0, 3.1, 3.2, and 3.3.
What is the severity of CVE-2020-24675?
CVE-2020-24675 has a severity score of 9.8 (Critical).
How can an unauthenticated user exploit CVE-2020-24675?
An unauthenticated user can exploit CVE-2020-24675 by injecting values into the Operations History server or standalone S+ History server and writing values to the controlled process.
How can I mitigate CVE-2020-24675?
To mitigate CVE-2020-24675, update to the latest version of Symphony + Historian or Symphony + Operations as recommended by ABB and follow the guidelines provided in the security advisory.
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- canonical/abb symphony \+ historian
- version/abb symphony \+ historian/3.0
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- canonical/abb symphony \+ operations
- version/abb symphony \+ operations/1.1
- version/abb symphony \+ operations/2.0
- version/abb symphony \+ operations/2.1-sp1
- version/abb symphony \+ operations/2.1-sp2
- version/abb symphony \+ operations/3.0
- version/abb symphony \+ operations/3.1
- version/abb symphony \+ operations/3.2
- version/abb symphony \+ operations/3.3