CVE-2026-40820

Authenticated SQLi in getVpnData function

  • Medium 6.9

Description

A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the getVpnData function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

Key facts

Published
12 Nov 2026
Last changed
13 Nov 2026
Assigned by
CERTVDE
EPSS
0.292% likely to be exploited in the next 30 days, higher than 22.046% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: no; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 6.9CVSS 4.0, Mediumfrom the CNA (CERTVDE)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  • 4.9CVSS 3.1, Mediumfrom the CNA (CERTVDE)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MB connect linembCONNECT24
  • Default status: unaffected
  • 1.0.0 up to and including 2.20.0 (affected)
MB connect linemymbCONNECT24
  • Default status: unaffected
  • 1.0.0 up to and including 2.20.0 (affected)
MB connect linembCONNECT24
  • Default status: unaffected
  • 2.20.0 (affected)
MB connect linemymbCONNECT24
  • Default status: unaffected
  • 2.20.0 (affected)
HelmholzmyREX24V2
  • Default status: unaffected
  • 1.0.0 up to and including 2.20.0 (affected)
HelmholzmyREX24V2.virtual
  • Default status: unaffected
  • 1.0.0 up to and including 2.20.0 (affected)
HelmholzmyREX24V2
  • Default status: unaffected
  • 2.20.0 (affected)
HelmholzmyREX24V2.virtual
  • Default status: unaffected
  • 2.20.0 (affected)

Timeline

  1. 12 Nov 2026 Published

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on SQL injection (CWE-89).

References