CVE-2020-24682
Automation Studio and PVI Multiple unquoted service path vulnerabilities
- Published
- Updated
- Reserved
- Assigned by
- ABB
Description
Unquoted Search Path or Element vulnerability in B&R Industrial Automation Automation Studio, B&R Industrial Automation NET/PVI allows Target Programs with Elevated Privileges.This issue affects Automation Studio: from 4.0 through 4.6, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP; NET/PVI: from 4.0 through 4.6, from 4.7.0 before 4.7.7, from 4.8.0 before 4.8.6, from 4.9.0 before 4.9.4.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ABBCNA (assigner) | 3.1 | High7.2 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.15% · top 96% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
Affected products
B&R Industrial Automation · Automation Studio
- affected 4.0 – ≤ 4.6
- affected 4.7.0 – < 4.7.7 SP
- affected 4.8.0 – < 4.8.6 SP
- affected 4.9.0 – < 4.9.4 SP
B&R Industrial Automation · NET/PVI
- affected 4.0 – ≤ 4.6
- affected 4.7.0 – < 4.7.7
- affected 4.8.0 – < 4.8.6
- affected 4.9.0 – < 4.9.4
What to do
Workaround: B&R has identified the following specific workarounds and mitigations. Users of B&R Automation Studio and PVI may manually reconfigure the service paths and enclose them in quotes. Additionally, it is recommended to limit access to the workstation running B&R Automation Studio and PVI to authorized users
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-24682)Record last updated .