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CVE-2020-24683

Authentication Bypass in Symphony Plus

The affected versions of S+ Operations (version 2.1 SP1 and earlier) used an approach for user authentication which relies on validation at the client node (client-side authentication). This is not as secure as having the server validate a client application before allowing a connection. Therefore, if the network communication or endpoints for these applications are not protected, unauthorized actors can bypass authentication and make unauthorized connections to the server application.

CVSS 3.1 · 9.8 Critical EPSS 1.5% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations
CVE-2020-24679

Denial of Service attack on Symphony Plus

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.

CVSS 3.1 · 7.5 High EPSS 1.9% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations
CVE-2020-24678

Potential Privilege Escalation in Symphony Plus

An authenticated user might execute malicious code under the user context and take control of the system. S+ Operations or S+ Historian database is affected by multiple vulnerabilities such as the possibility to allow remote authenticated users to gain high privileges.

CVSS 3.1 · 8.8 High EPSS 1.5% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations
CVE-2020-24677

Insecure Web Service in Symphony Plus

Vulnerabilities in the S+ Operations and S+ Historian web applications can lead to a possible code execution and privilege escalation, redirect the user somewhere else or download unwanted data.

CVSS 3.1 · 8.8 High EPSS 1.4% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations
CVE-2020-24676

Insecure Windows Services in Symphony Plus

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.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations
CVE-2020-24675

Weak Authentication in Symphony Plus

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.

CVSS 3.1 · 9.8 Critical EPSS 1.2% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations
CVE-2020-24674

Improper Authorization in Symphony Plus

In S+ Operations and S+ Historian, not all client commands correctly check user permission as expected. Authenticated but Unauthorized remote users could execute a Denial-of-Service (DoS) attack, execute arbitrary code, or obtain more privilege than intended on the machines.

CVSS 3.1 · 8.8 High EPSS 3.1% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations
CVE-2020-24673

SQL Injection in Symphony Plus

In S+ Operations and S+ Historian, a successful SQL injection exploit can read sensitive data from the database, modify database data (Insert/Update/Delete), execute administration operations on the database (such as shutdown the DBMS), recover the content of a given file present on the DBMS file system and in some cases issue commands to the operating system. This can lead to a loss of confidentiality and data integrity or even affect the product behavior and its availability.

CVSS 3.1 · 9.8 Critical EPSS 1.1% KEV · Not listed
Vendors
Abb
Products
Symphony \+ Historian Symphony \+ Operations