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CVE-2021-39220

LOW
Published 2021-10-25T18:55:14
Actions:

Expert Analysis

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CVSS Score

V3.1
3.5
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.497
Higher than 49.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

nextcloud

security-advisories

Affected Versions:

< 1.10.4, < 1.11.0

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6q9v-wm8r-rcv5
https://github.com/nextcloud/mail/pull/5470
https://hackerone.com/reports/1308147
Published: 2021-10-25T18:55:14
Last Modified: 2024-08-04T01:58:18.216Z
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