What is CVE-2020-35560?

CVE-2020-35560 is a medium-severity vulnerability in Mbconnectline Mbconnect24, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-02-16.

How severe is CVE-2020-35560?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Mbconnectline Mbconnect24

CVE-2020-35560

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.

Vulnerability class: Open Redirect

Published 2021-02-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

mbconnectline.com/security-advice/ (Vendor Advisory)
cert.vde.com/de-de/advisories/vde-2021-003 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-35560?: CVE-2020-35560 is a medium-severity vulnerability in Mbconnectline Mbconnect24, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-02-16.
How severe is CVE-2020-35560?: Medium severity. CVSS v3 base score is 6.1 out of 10.