CVE-2023-45149 - CVE House

Back to Database

Status published Medium CVE-2023-45149

Password of talk conversations can be bruteforced in Nextcloud

4.3 CVSS

Vulnerability Description

Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection of public talk conversation passwords can be bypassed, as there was an endpoint validating the conversation password without registering bruteforce attempts. It is recommended that the Nextcloud Talk app is upgraded to 15.0.8, 16.0.6 or 17.1.1. There are no known workarounds for this vulnerability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-45149

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

More from nextcloud

View All →

Nextcloud Twofactor WebAuthn app was updated based on public key

Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners

Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

Nextcloud Contacts vulnerable to Stored XSS in contacts app via organisation and title field

Nextcloud Tables app allowed users to view columns metadata information of any table

Affected Vendor

nextcloud

View all reports →

Affected Software

security-advisories

Vulnerable Versions:

>= 15.0.0, < 15.0.8, >= 16.0.0, < 16.0.6, >= 17.0.0, < 17.1.1

Timeline

Official Publish: October 16th, 2023

Last Modified: September 16th, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1110 Brute Force

Credential Access

T1078 Valid Accounts

T1550 Use Alternate Authentication Material

Defense Evasion

T1021 Remote Services

Lateral Movement

T1562 Impair Defenses

Defense Evasion