Medium severity · published Jun 16, 2021
CVE-2021-32676
Nextcloud Talk is a fully on-premises audio/video and chat communication service
6.5
CVSS
1%
EPSS
No
On KEV
Description
Nextcloud Talk is a fully on-premises audio/video and chat communication service. Password protected shared chats in Talk before version 9.0.10, 10.0.8 and 11.2.2 did not rotate the session cookie after a successful authentication event. It is recommended that the Nextcloud Talk App is upgraded to 9.0.10, 10.0.8 or 11.2.2. No workarounds for this vulnerability are known to exist.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
Talk · Nextcloud
before 9.0.10; 10.0.0 before 10.0.8; 11.2.0 before 11.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32676
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32676
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p6h7-84v4-827r
Issue Tracking
https://hackerone.com/reports/1181962
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