Vulnerability · Published Dec 22, 2020 · Assigned by ABB
CVE-2020-24675Weak Authentication in Symphony Plus
Critical 9.8
In plain English
A critical-severity improper authentication in ABB Ability™ Symphony® Plus Historian from ABB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.2%top 31.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ABB | ABB Ability™ Symphony® Plus Operations | unspecified – before 3.3 Service Pack 1unspecified – before 2.1 SP2 Rollup 2unspecified – before 2.2 |
| ABB | ABB Ability™ Symphony® Plus Historian | unspecified – before 3.2 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H