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TI-2026-02118 Aliases CVE-2026-2491GHSA-7q24-fxcq-rmwc

Missing authentication in Socomec DIRIS A-40

Priority LOW 29CWE-306Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Socomec DIRIS A-40 power monitoring devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web API implementation, which listens on TCP port 80 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-23993.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0052 44th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SocomecDIRIS A-401.8.1—No fix listedCNA
  • DIRIS A-40 VendorSocomec Affected 1.8.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2491
  2. 2026-10-03 Alias added: GHSA-7q24-fxcq-rmwc

References

Advisory 1

Other 1

  • TI-2019-11920 Password disclosure in the web interface on socomec DIRIS A-40 devices before 48250501… CVSS 3.1CRITICAL 9.8
  • TI-2023-21707 Socomec MOD3GP-SY-120K Reliance on Cookies without Validation and Integrity Checking CVSS 3.1CRITICAL 10.0
  • TI-2023-21091 Socomec MOD3GP-SY-120K Code Injection CVSS 3.1HIGH 8.8
  • TI-2023-22348 Socomec MOD3GP-SY-120K Insecure Storage of Sensitive Information CVSS 3.1HIGH 7.5
  • TI-2023-20584 Socomec MOD3GP-SY-120K Plaintext Storage of a Password CVSS 3.1HIGH 7.5
  • TI-2021-18481 An issue was discovered in the firmware update form in Socomec REMOTE VIEW PRO 2.0.41.4. CVSS 3.1HIGH 8.8
See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences