4.3
MEDIUM
CVE-2023-26041
Nextcloud Talk Information Exposure Vulnerability
Description

Nextcloud Talk is a fully on-premises audio/video and chat communication service. When cron jobs were misconfigured and therefore messages are not expired, the API would still return them while they were then hidden by the frontend code. It is recommended that the Nextcloud Talk is upgraded to 15.0.3. There are no workaround available.

INFO

Published Date :

Feb. 27, 2023, 9:15 p.m.

Last Modified :

Nov. 7, 2023, 4:09 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-26041 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 nextcloud_talk
3 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-2023-26041.

URL Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j53p-r755-v4jf Vendor Advisory
https://github.com/nextcloud/spreed/pull/8515 Patch
https://hackerone.com/reports/1784310 Exploit Third Party Advisory

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-2023-26041 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-26041 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.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description Nextcloud Talk is a fully on-premises audio/video and chat communication service. When cron jobs were misconfigured and therefore messages are not expired, the API would still return them while they were then hidden by the frontend code. It is recommended that the Nextcloud Talk is upgraded to 15.0.3. There are no workaround available. Nextcloud Talk is a fully on-premises audio/video and chat communication service. When cron jobs were misconfigured and therefore messages are not expired, the API would still return them while they were then hidden by the frontend code. It is recommended that the Nextcloud Talk is upgraded to 15.0.3. There are no workaround available.
  • Initial Analysis by [email protected]

    Mar. 08, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j53p-r755-v4jf No Types Assigned https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j53p-r755-v4jf Vendor Advisory
    Changed Reference Type https://github.com/nextcloud/spreed/pull/8515 No Types Assigned https://github.com/nextcloud/spreed/pull/8515 Patch
    Changed Reference Type https://hackerone.com/reports/1784310 No Types Assigned https://hackerone.com/reports/1784310 Exploit, Third Party Advisory
    Added CWE NIST CWE-668
    Added CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud_talk:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (excluding) 15.0.3
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-2023-26041 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-26041 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.30298

percentile

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