3.5
LOW
CVE-2024-37887
Nextcloud Server Calendar Recurrence Exception Information Disclosure
Description

Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.

INFO

Published Date :

June 14, 2024, 4:15 p.m.

Last Modified :

Aug. 8, 2024, 4:33 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.1
Affected Products

The following products are affected by CVE-2024-37887 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nextcloud nextcloud_server
2 Nextcloud notes
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-37887.

URL Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h4xv-cjpm-j595 Vendor Advisory
https://github.com/nextcloud/server/pull/45309 Patch
https://hackerone.com/reports/2479325 Issue Tracking

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-37887 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-37887 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 08, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
    Changed Reference Type https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h4xv-cjpm-j595 No Types Assigned https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h4xv-cjpm-j595 Vendor Advisory
    Changed Reference Type https://github.com/nextcloud/server/pull/45309 No Types Assigned https://github.com/nextcloud/server/pull/45309 Patch
    Changed Reference Type https://hackerone.com/reports/2479325 No Types Assigned https://hackerone.com/reports/2479325 Issue Tracking
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* versions from (including) 27.0.0 up to (excluding) 27.1.10 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 27.0.0 up to (excluding) 27.1.10 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 28.0.0 up to (excluding) 28.0.6 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* versions from (including) 28.0.0 up to (including) 28.0.6 *cpe:2.3:a:nextcloud:nextcloud_server:29.0.0:*:*:*:-:*:*:* *cpe:2.3:a:nextcloud:nextcloud_server:29.0.0:*:*:*:enterprise:*:*:*
  • CVE Received by [email protected]

    Jun. 14, 2024

    Action Type Old Value New Value
    Added Description Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.
    Added Reference GitHub, Inc. https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h4xv-cjpm-j595 [No types assigned]
    Added Reference GitHub, Inc. https://github.com/nextcloud/server/pull/45309 [No types assigned]
    Added Reference GitHub, Inc. https://hackerone.com/reports/2479325 [No types assigned]
    Added CWE GitHub, Inc. CWE-284
    Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-37887 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability