CVSS 3.1
3.5 lowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:NCVE-2021-39220
Low (3.5) in nextcloud mail. EPSS 0.9% chance of exploitation in the next 30 days.
Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The privacy filter failed to filter images with a relative protocol. It is recommended that the Nextcloud Mail application is upgraded to 1.10.4 or 1.11.0. There are no known workarounds aside from upgrading.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-11-01)
- CWEs
- CWE-20, CWE-200
- Published
- Modified
- Record from
- the NVD, synced
Affected
- nextcloud:mail