Medium severity · published Dec 22, 2023
CVE-2023-48308
Nextcloud/Cloud is a calendar app for Nextcloud
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Nextcloud/Cloud is a calendar app for Nextcloud. An attacker can gain access to stacktrace and internal paths of the server when generating an exception while editing a calendar appointment. It is recommended that the Nextcloud Calendar app is upgraded to 4.5.3
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Calendar · Nextcloud
3.0.0 before 4.5.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-48308
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-48308
Patch
https://github.com/nextcloud/calendar/pull/5553
Vendor Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-fv3c-qvjr-5rv8
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