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CVE-2026-2491

Published: Mar 13, 2026Updated: Mar 16, 2026 Sources: CVE List NVDCWE-306
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
0.4%
Top 69.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-306

Affected Products

DIRIS A-40Socomec
Embedded
ICS / OT / IoT / industrial-network
socomeccommercialICS / OT / IoTaka diris digiware m-70, diris m-70, modulys gp

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.zerodayinitiative.com/advisories/ZDI-26-129/
zerodayinitiative.com
https://emea.socomec.com/en/resource-center/resource-type/cyber-vulnerabilities-601
emea.socomec.com

Timeline

Published
Mar 13, 2026
Last Updated
Mar 16, 2026

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