CVE-2026-2491CWE-306

Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability

Medium · published March 13, 2026

CVSS v3.0
6.3
EPSS
0%
Percentile
41.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
6.3 · MEDIUM
Vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00492 · 41.3th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-03-13T20:43Z
EPSS history
Timeline
  • 13 MAR 20:43Z
    Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability
    cvelistv5