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VulnerabilityPublished

CVE-2026-60042: MB connect line mbCONNECT24 · Insecure Direct Object Reference

Affects MB connect line mbCONNECT24Source CVE Database V5

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Not known to be exploited · CVSS 6.9 Medium : upgrade to 2.21.0 when convenient.

Data as of 10 Nov 2026, 08:50 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (CERTVDE)CVSS 4.06.9
CNA (CERTVDE)CVSS 3.15.3
Patch
Available – fixed in 2.21.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade mbCONNECT24 and mymbCONNECT24 and myREX24V2 and myREX24V2.virtual to 2.21.0.

Affected software

ProductAffectedFixed in
MB connect linembCONNECT24Affected
  • >=2.0.0 <2.21.0
Fixed in
  • 2.21.0
MB connect linemymbCONNECT24Affected
  • >=2.0.0 <2.21.0
Fixed in
  • 2.21.0
HelmholzmyREX24V2Affected
  • >=2.0.0 <2.21.0
Fixed in
  • 2.21.0
HelmholzmyREX24V2.virtualAffected
  • >=2.0.0 <2.21.0
Fixed in
  • 2.21.0

AI-suggested

Upgrade mbCONNECT24 to version 2.21.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.

Description

CVE-2026-60042 is an authorization bypass vulnerability in MB connect line's mbCONNECT24 product. An unauthenticated remote attacker can bypass authentication in the com_check function, potentially causing increased system traffic and triggering email alerts. This may lead to some loss of availability due to higher system loads. The vulnerability affects versions from 2.0.0 up to but not including 2.21.0 and is fixed in version 2.21.0.

References

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