CVE-2020-35565

mediumpriority · track · 39OT risk · elevatedEPSS 0.011 · 65 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.09% (65th) EPSS
CVSS 5 · medium
Is it mine?
11 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · cisa_csaf_ot · helmholz_psirt

EPSS · scored 2026-10-27

An issue was discovered in MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 through 2.6.2. The login pages bruteforce detection is disabled by default.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedmb_connect_line_psirt

    CVE-2020-12528, CVE-2020-12529, CVE-2020-35560, CVE-2020-12530, CVE-2020-35563, CVE-2020-35564, CVE-2020-35569, CVE-2020-35559, Update to version >= 2.7.1 CVE-2020-10384: Update to version 2.6.2 to close any known way to get to www-data. Note: This issue only exists up until version 2.6.1 and has already been addressed in >= 2.6.2 CVE-2020-35567: None Note: A proper fix for the underlying issue will come with a future architectural core-system-update. CVE-2020-35565: None Mitigation: Activate bruteforce detection via Security → Fail2Ban → WebLogin Note: A proper fix for the underlying issue will come with a future architectural core-system-update. To further increase the security level of your account enable MFA. CVE-2020-35561: Update to version 2.12.1 Update A, 2022-09-07: CVE-2020-35557, CVE-2020-35570, CVE-2020-35558, CVE-2020-35566, CVE-2020-12527, CVE-2020-35568: Update to version 2.12.1

  • FixedmymbCONNECT24cisa_csaf_ot

    MB connect line recommends users update mymbCONNECT24 and mbCONNECT24 to Version 2.71 or higher to mitigate many of these vulnerabilities. A future release will include mitigations for the remaining vulnerabilities found in CVE-2020-35567, CVE-2020-35565, and CVE-2020-35561.

    https://www.cve.org/CVERecord?id=CVE-2020-35567
  • MitigationmymbCONNECT24cisa_csaf_ot

    Additional details can be found on MB connect line's website.

  • No fix availablehelmholz_psirt

    CVE-2020-35565: None Mitigation: Activate bruteforce detection via Security → Fail2Ban → WebLogin Note: A proper fix for the underlying issue will come with a future architectural core-system-update. To further increase the security level of your account enable MFA.

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5–9.8

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · CISA US
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Helmholz PSIRT
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · MB connect line PSIRT
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-307USprimaryCWE-1188USCWE-307USCWE-307US
04

affected products (11)

Products and version ranges known to be affected.

05

advisories (3)

Vendor and ecosystem advisories describing this.

  • VDE-2021-003MB connect line: Multiple vulnerabilites in mymbCONNECT24 and mbCONNECT24 (Update A)2022-09-07csaf · mb_connect_line_psirtDE

    Multiple vulnerabilities have been found in mymbCONNECT24 and mbCONNECT24. Update A, 2022-09-07: Affected Products: updated affected versions due to incomplete fixes of some CVEs. See Solution for details. Solution: updated version information. Solution: Added Fix for CVE-2020-35561. Solution: Added MFA remark for CVE-2020-35565.

  • VDE-2022-039Helmholz: Multiple vulnerabilites in myREX24 and myREX24.virtual2022-09-07csaf · helmholz_psirtDE

    Multiple vulnerabilities have been found in myREX24 and myREX24.virtual.

  • ICSA-21-061-03MB connect line mbCONNECT24, mymbCONNECT242021-03-02icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could allow a remote attacker to gain unauthorized access to arbitrary information or allow remote code execution.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_othelmholz_psirtmb_connect_line_psirtnvdNVDCVE.orgMITRE
published 2021-02-16modified 2026-06-17
09

references (9)

External citations — patches, advisories, analysis.

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