Low severity · published Jan 9, 2023
CVE-2023-22473
Passcode bypass on Talk-Android app
2.1
CVSS
0.6%
EPSS
No
On KEV
Description
Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, an attacker is able to access the user's Nextcloud files and view conversations. To exploit this the attacker needs to have physical access to the target's device. There are currently no known workarounds available. It is recommended that the Nextcloud Talk Android app is upgraded to 15.0.2.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
< 15.0.2 · source: vendor
TA
Talk · Nextcloud
before 15.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22473
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22473
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wvr4-gc4c-6vmx
Patch
https://github.com/nextcloud/talk-android/pull/2598
Exploit
https://hackerone.com/reports/1784645
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