Low severity · published Feb 4, 2020
CVE-2019-15620
Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature
2.7
CVSS
0.8%
EPSS
No
On KEV
Description
Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
Talk · Nextcloud
before 6.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15620
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15620
Permissions Required
https://hackerone.com/reports/662218
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-011
More from Talk
9.9
CVE-2020-8180
A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator
7.8
CVE-2023-39957
Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android
6.5
CVE-2021-32689
Nextcloud Talk is a fully on-premises audio/video and chat communication service
6.5
CVE-2021-32676
Nextcloud Talk is a fully on-premises audio/video and chat communication service
6.1
CVE-2022-24887
Nextcloud Talk is a video and audio conferencing app for Nextcloud, a self-hosted productivity platform