RCE through Project Upload from Target
Priority MEDIUM 44CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper Input Validation vulnerability in the project upload mechanism in B&R Automation Studio version >=4.0 may allow an unauthenticated network attacker to execute code.
Why it matters now
EPSS 0.00837 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| B&R Industrial Automation | Automation Studio | 4 and later | — | No fix listed | CNA |
- Automation Studio VendorB&R Industrial Automation Affected 4 and later Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:br-automation:studio:*:*:*:*:*:*:*:* | 4.0 | Vulnerable | B&R Industrial Automation |
- cpe:2.3:a:br-automation:studio:*:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·B&R Industrial Automation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22289
- 2026-10-03 Alias added: GHSA-pcc3-px7r-r8pf
References
Sources
- CVE-2021-22289 · CVE Program
- CVE-2021-22289 · NVD
- FIRST EPSS
- GHSA-pcc3-px7r-r8pf · GitHub Advisory Database · CC BY 4.0
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