CSV injection in Easergy T300 with firmware V2.7.1 and older
Priority LOW 34CWE-1236Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- 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
A CWE-1236: Improper Neutralization of Formula Elements in a CSV File vulnerability exists in Easergy T300 with firmware V2.7.1 and older that would allow arbitrary command execution.
Why it matters now
EPSS 0.01145 66th 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 |
|---|---|---|---|---|---|
| — | Easergy T300 with firmware V2.7.1 and older | Easergy T300 with firmware V2.7.1 and older | — | No fix listed | CNA |
- Easergy T300 with firmware V2.7.1 and older Vendor— Affected Easergy T300 with firmware V2.7.1 and older Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:easergy_t300_firmware:*:*:*:*:*:*:*:* | up to 2.7.1 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:easergy_t300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:easergy_t300_firmware:*:*:*:*:*:*:*:* Versions up to 2.7.1 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:easergy_t300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22771
- 2026-10-03 Alias added: GHSA-hfw2-fvxc-ccvp
References
More Schneider Electric Easergy T300 Firmware vulnerabilities
- TI-2020-15418 Rockwell Automation ISaGRAF5 Runtime Relative Path Traversal CVSS 3.1CRITICAL 9.8
- TI-2020-06084 Improper access control in Easergy T300 with firmware 2.7 and older CVSS 3.1CRITICAL 9.8
- TI-2020-17145 Missing authorization in Easergy T300 CVSS 3.1CRITICAL 9.8
- TI-2020-06035 A CWE-1103: Use of Platform-Dependent Third Party Components with vulnerabilities… CVSS 3.1CRITICAL 9.8
- TI-2020-06031 Missing brute-force protection in Easergy T300 CVSS 3.1CRITICAL 9.8
- TI-2020-15420 Rockwell Automation ISaGRAF5 Runtime Cleartext Transmission of Sensitive Information CVSS 3.1HIGH 8.8
Sources
- CVE-2021-22771 · CVE Program
- CVE-2021-22771 · NVD
- FIRST EPSS
- GHSA-hfw2-fvxc-ccvp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences