CVE-2021-22282
RCE in B&R Automation Studio with crafted project files
- Published
- Updated
- Reserved
- Assigned by
- ABB
Description
Improper Control of Generation of Code ('Code Injection') vulnerability in B&R Industrial Automation Automation Studio allows Local Execution of Code.This issue affects Automation Studio: from 4.0 through 4.12.
Timeline
ID reserved
By ABB
- 3 years later
· 3 years later
Published
- 17 months later
· 17 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ABBCNA (assigner) | 3.1 | High8.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.40% · top 66% of all CVEs (7 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 8.3.
Weakness
Affected products
B&R Industrial Automation · Automation Studio
- affected 4.0 – ≤ 4.12
What to do
Workaround: B&R recommends the following specific workarounds and mitigations: Open only B&R Automation Studio project files from trusted source. Protect locations where B&R Automation Studio projects are stored from unauthorized access. This includes PLCs, when using the feature to back up project source files on target. Do not run B&R Automation Studio in elevated mode. Verify integrity of B&R Automation Studio project files, which are exchanged via potentially insecure channels. Make sure, that Windows User Access Control (UAC) is enabled. In general, B&R recommends implementing the Cyber Security guidelines.
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-2021-22282)Record last updated .