CVE-2020-8156

A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.

CVSS v3.0 7.0 HIGH
CVSS v2.0 6.8 MEDIUM

7.0^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://nextcloud.com/security/advisory/?id=NC-SA-2020-020	Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:nextcloud_mail:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Information

Published : 2020-05-12 06:15

Updated : 2022-05-24 11:25

NVD link : CVE-2020-8156

Mitre link : CVE-2020-8156

JSON object : View

CWE

CWE-295

Improper Certificate Validation

Products Affected

fedoraproject

fedora

nextcloud

nextcloud_mail

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