Medium severity · published Jun 14, 2024
CVE-2024-37316
Nextcloud Calendar's event create can create attachments that link to other websites
4.6
CVSS
0.4%
EPSS
No
On KEV
Description
Nextcloud Calendar is a calendar app for Nextcloud. Authenticated users could create an event with manipulated attachment data leading to a bad redirect for participants when clicked. It is recommended that the Nextcloud Calendar App is upgraded to 4.6.8 or 4.7.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
>= 4.3.0, < 4.6.8; >= 4.7.0, < 4.7.2 · source: vendor
CA
Calendar · Nextcloud
4.3.0 before 4.6.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-37316
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-37316
Patch
https://github.com/nextcloud/calendar/pull/5966
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2r7q-vfmv-79qf
Issue Tracking
https://hackerone.com/reports/2457588
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