nextcloud nextcloud-mail CVE-2020-8156 in Nextcloud and Fedora Project Products
Published on May 12, 2020

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

Vendor Advisory NVD

Weakness Type

Improper Certificate Validation

The software does not validate, or incorrectly validates, a certificate. When a certificate is invalid or malicious, it might allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. The software might connect to a malicious host while believing it is a trusted host, or the software might be deceived into accepting spoofed data that appears to originate from a trusted host.


Products Associated with CVE-2020-8156

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Exploit Probability

EPSS
0.54%
Percentile
67.30%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.