// For flags

CVE-2023-28845

Chat room membership disclosed via autocompletion in Nextcloud talk

Severity Score

3.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to gain information about the members of a Talk conversation, even if they themselves are not members. It is recommended that the Nextcloud Talk is upgraded to 14.0.9 or 15.0.4. There are no known workarounds for this vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-03-24 CVE Reserved
  • 2023-03-31 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-10-21 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nextcloud
Search vendor "Nextcloud"
 Talk
Search vendor "Nextcloud" for product "Talk"
 >= 14.0.0 < 14.0.9
Search vendor "Nextcloud" for product "Talk" and version " >= 14.0.0 < 14.0.9"
-
Affected
Nextcloud
Search vendor "Nextcloud"
 Talk
Search vendor "Nextcloud" for product "Talk"
 >= 15.0.0 < 15.0.4
Search vendor "Nextcloud" for product "Talk" and version " >= 15.0.0 < 15.0.4"
-
Affected