Man-in-the-Middle Vulnerability in Nextcloud Mail from Nextcloud
CVE-2020-8156

7HIGH

Key Information:

Vendor

Nextcloud
Status
Nextcloud Mail
Vendor
CVE Published:
12 May 2020

What is CVE-2020-8156?

A flaw in Nextcloud Mail version 1.1.3 allows attackers to perform man-in-the-middle attacks by failing to verify the TLS host. This oversight can lead to an attacker intercepting communications and presenting fraudulent content. Users of this version are advised to update immediately to ensure secure communication channels and protect sensitive data.

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Affected Version(s)

Nextcloud Mail 1.1.4

References

https://nextcloud.com/security/advisory/?id=NC-SA-2020-020
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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