Vulnerability · Published May 12, 2020 · Assigned by hackerone
CVE-2020-8156
High 7.0
In plain English
A high-severity improper certificate validation in Nextcloud Mail. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS NVD)7.0High
Exploit odds (30 days)1.0%top 38.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Mail | 1.1.4 |
Weakness: CWE-295
References
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-020 x_refsource_MISC
- FEDORA-2020-c9863904de vendor-advisory, x_refsource_FEDORA