CVE-2023-26041
Published: 27 February 2023
Summary
CVE-2023-26041 is a low-severity Exposure of Private Personal Information to an Unauthorized Actor (CWE-359) vulnerability in Nextcloud Nextcloud Talk. Its CVSS base score is 2.6 (Low).
Operationally, ranked at the 40.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-29927
Vulnerability details
Nextcloud Talk is a fully on-premises audio/video and chat communication service. When cron jobs were misconfigured and therefore messages are not expired, the API would still return them while they were then hidden by the frontend code. It is recommended…
more
that the Nextcloud Talk is upgraded to 15.0.3. There are no workaround available.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Preventing nonpublic personal information from public posting reduces unauthorized exposure of private personal data.
The control detects and protects against mining of private personal information, reducing unauthorized exposure of PII.
Tracking locations of sensitive data and access users reduces risk of private personal information exposure.
Mandatory user notification of sensor activation makes surreptitious capture of private personal information (camera, microphone, location, etc.) substantially harder to perform without detection.
Automated marking identifies private personal information in outputs, tangibly reducing the ability to exploit weaknesses that result in its unauthorized exposure.
Privacy-specific attributes and their controlled association directly reduce exposure of private personal information through missing or incorrect labeling.
Controls whether organization resources are exposed to external system spheres by permitting or prohibiting their use.
The control ensures information is not released into a security sphere where the recipient lacks matching access authorizations.