ePower epower.ie Improper Restriction of Excessive Authentication Attempts
Priority MEDIUM 45CWE-307Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.
Summary
The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks by suppressing or mis-routing legitimate charger telemetry, or conduct brute-force attacks to gain unauthorized access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00663 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-27778
- 2026-10-03 Alias added: GHSA-pccv-vgjf-95g3
- 2026-10-25 EPSS moved to the below the 50th percentile
- 2026-10-31 EPSS moved to the 50th–90th percentile
References
More Epower.ie vulnerabilities
- TI-2026-18121 ePower epower.ie Missing Authentication for Critical Function CVSS 4.0CRITICAL 9.3
- TI-2026-20097 ePower epower.ie Insufficient Session Expiration CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-27778 · CVE Program
- CVE-2026-27778 · NVD
- FIRST EPSS
- GHSA-pccv-vgjf-95g3 · 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