PT-2020-9744 · Nextcloud · Nextcloud Talk

Published 2020-02-04 · Updated 2020-10-09 · CVE-2019-15620

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Talk version 6.0.3

Description The issue is related to improper access control, which leaks the existence and the name of private conversations when they are linked to another shared item via the projects feature.

Recommendations For Nextcloud Talk version 6.0.3, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2019-15620

Affected Products

Nextcloud Talk

References · 5

• https://nextcloud.com/security/advisory/?id=NC-SA-2020-011 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-15620 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-15620 · Security Note
• https://hackerone.com/reports/662218 · Note
• https://t.me/cvenotify/771 · Telegram Post