VulnerabilityModified
CVE-2020-8156
A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.
HIGH 7.0EPSS 0.93%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- nextcloud/mail · fedoraproject/fedora
- Source
- support@hackerone.com
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-020Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-020Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.