Exception logging in Sharepoint app reveals clear-text connection details
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.
Summary
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server prior to versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server prior to versions 22.2.10.5, 23.0.9, and 24.0.5 an attacker reading `nextcloud.log` may gain knowledge of credentials to connect to a SharePoint service. Nextcloud Server versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server versions 22.2.10.5, 23.0.9, and 24.0.5 contain a patch for this issue. As a workaround, set `zend.exception_ignore_args = On` as an option in `php.ini`.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nextcloud | security-advisories | before 22.2.10.5; 23.0.0 to before 23.0.9; 24.0.0 to before 24.0.5 | 22.2.10.5, 23.0.9, 24.0.5 | Patch available | CNA |
- security-advisories Vendornextcloud Affected before 22.2.10.5; 23.0.0 to before 23.0.9; 24.0.0 to before 24.0.5 Fixed in 22.2.10.5, 23.0.9, 24.0.5 Patch available CNA
CPE configurations NVD · 2
Remediation
- Fix · CNA security-advisories (nextcloud) Fixed in 22.2.10.5, 23.0.9, 24.0.5
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-39364
References
More Nextcloud Enterprise Server vulnerabilities
- TI-2022-16497 Authentication headers exposed on by Nextcloud Server CVSS 3.1HIGH 7.5
- TI-2022-18721 Missing length validation of user displayname in nextcloud server CVSS 3.1MEDIUM 6.5
- TI-2022-18705 Profile of disabled user stays accessible CVSS 3.1MEDIUM 5.3
- TI-2022-18590 Server-Side Request Forgery (SSRF) via potential filter bypass in Nextcloud Server CVSS 3.1MEDIUM 5.3
- TI-2022-18706 Database resource exhaustion for logged-in users via sharee recommendations with circles CVSS 3.1MEDIUM 4.8
Sources
- CVE-2022-39364 · CVE Program
- CVE-2022-39364 · NVD
- FIRST EPSS
- CVE-2022-39364 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences