Medium severity · published Jun 23, 2023
CVE-2023-35171
NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform
6.1
CVSS
0.6%
EPSS
No
On KEV
Description
NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. Starting in version 26.0.0 and prior to version 26.0.2, an attacker could supply a URL that redirects an unsuspecting victim from a legitimate domain to an attacker's site. Nextcloud Server and Nextcloud Enterprise Server 26.0.2 contain a patch for this issue. No known workarounds are available.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · Nextcloud
26.0.0 before 26.0.2; 26.0.0 before 26.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-35171
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-35171
Exploit
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h353-vvwv-j2r4
Issue Tracking
https://github.com/nextcloud/server/pull/38194
Exploit
https://hackerone.com/reports/1977222
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