CVE-2020-24675

Name: CVE-2020-24675
Creator: NVD / NIST
Published: 2020-12-22T22:15:13.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2020-24675 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.15%

62.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
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	3.0	—
Abb	Symphony \+ Operations	3.1	—
Abb	Symphony \+ Operations	3.2	—
Abb	Symphony \+ Operations	3.3	—

References

https://search.abb.com/library/Download.aspx?DocumentID=2PAA123980&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=2PAA123982&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=2PAA123980&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=2PAA123982&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory

Timeline

Published: Dec 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24675?

How severe is CVE-2020-24675?

CVE-2020-24675 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24675?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24675?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST