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CVE-2023-28833

LOW
Published 2023-03-30T18:49:38.823Z
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CVSS Score

V3.1
2.4
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.368
Higher than 36.8% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
LOW

Description

Nextcloud server is an open source home cloud implementation. In affected versions admins of a server were able to upload a logo or a favicon and to provided a file name which was not restricted and could overwrite files in the appdata directory. Administrators may have access to overwrite these files by other means but this method could be exploited by tricking an admin into uploading a maliciously named file. It is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. Users unable to upgrade should avoid ingesting logo files from untrusted sources.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

nextcloud

security-advisories

Affected Versions:

< 24.0.10 >= 25.0.0, < 25.0.4

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-ch7f-px7m-hg25
https://github.com/nextcloud/server/pull/36095
Published: 2023-03-30T18:49:38.823Z
Last Modified: 2025-02-11T18:51:00.889Z
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