VDB-347918 · CVE-2026-2491 · GCVE-0-2026-2491

Socomec DIRIS A-40 HTTP API improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Socomec DIRIS A-40 and classified as critical. Affected is an unknown function of the component HTTP API. Such manipulation leads to improper authentication. This vulnerability is listed as CVE-2026-2491. The attack must be carried out from within the local network. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Socomec DIRIS A-40 (the affected version is unknown) and classified as critical. Affected by this issue is an unknown code of the component HTTP API. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2026-2491. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at emea.socomec.com.

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Productinfo

Vendor

Socomec

Name

DIRIS A-40

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: emea.socomec.com

Timelineinfo

02/26/2026 Advisory disclosed
02/26/2026 +0 days VulDB entry created
02/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2026-2491 (🔒)
GCVE (CVE): GCVE-0-2026-2491
GCVE (VulDB): GCVE-100-347918

Entryinfo

Created: 02/26/2026 01:37
Changes: 02/26/2026 01:37 (51)
Complete: 🔍
Cache ID: 216::103