Missing authorization in Easergy T300
Priority MEDIUM 47CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.
Summary
A CWE-862: Missing Authorization vulnerability exists in Easergy T300 (firmware 2.7 and older), that could cause a wide range of problems, including information exposures, denial of service, and arbitrary code execution when access control checks are not applied consistently.
Why it matters now
EPSS 0.02339 83rd 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 (firmware 2.7 and older) | Easergy T300 (firmware 2.7 and older) | — | No fix listed | CNA |
- Easergy T300 (firmware 2.7 and older) Vendor— Affected Easergy T300 (firmware 2.7 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 | 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 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-2020-28215
- 2026-10-03 Alias added: GHSA-9ggp-g58q-5q4w
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-2020-06035 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
- TI-2020-06026 Cross-site request forgery in Easergy T300 CVSS 3.1HIGH 8.8
Sources
- CVE-2020-28215 · CVE Program
- CVE-2020-28215 · NVD
- FIRST EPSS
- GHSA-9ggp-g58q-5q4w · 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