CVE-2020-27656: Medium severity Synology Diskstation Manager vulnerability

Published Oct 29, 2020
·
Updated

Cleartext transmission of sensitive information vulnerability in DDNS in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to eavesdrop authentication information of DNSExit via unspecified vectors.

Affected Software

2 affected components
Synology Diskstation Manager>=6.2<6.2.3-25426-2
Synology Diskstation Manager>=6.2<6.2.3-25426-2

Event History

Oct 29, 2020
CVE Published
via MITRE·09:00 AM
Data Sourced
via MITRE·09:00 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is CVE-2020-27656?

CVE-2020-27656 is a vulnerability that allows man-in-the-middle attackers to eavesdrop on authentication information of DNSExit in Synology DiskStation Manager (DSM) before version 6.2.3-25426-2.

2

How severe is CVE-2020-27656?

CVE-2020-27656 has a severity rating of medium, with a score of 3.7.

3

Which software versions are affected by CVE-2020-27656?

Synology DiskStation Manager (DSM) versions before 6.2.3-25426-2 are affected by CVE-2020-27656.

4

How can man-in-the-middle attackers exploit this vulnerability?

Man-in-the-middle attackers can exploit CVE-2020-27656 to eavesdrop on authentication information of DNSExit by intercepting cleartext transmissions of sensitive data in DDNS.

5

Is there a fix for CVE-2020-27656?

Yes, updating Synology DiskStation Manager (DSM) to version 6.2.3-25426-2 or later will fix CVE-2020-27656.

Contact

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