An issue was discovered in MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 through 2.6.2.

published 2021-02-16 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23227

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

An issue was discovered in MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 through 2.6.2. There is an unauthenticated open redirect in the redirect.php.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-061-03 updated 2021-03-02 cvss 4.3

MB connect line mbCONNECT24, mymbCONNECT24

MB connect line mymbCONNECT24 <= 2.6.1
affected: mitigation “Additional details can be found on MB connect line's website.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness

CWE-601 URL Redirection to Untrusted Site

References

mbconnectline.com /security-advice/
vendor-advisory
cert.vde.com /de-de/advisories/vde-2021-003
third-party-advisory

Sources

CVE List CVE-2020-35560
NVD CVE-2020-35560

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary