CVE-2023-35171
MediumCVSS 4.1Exploitation Probability (EPSS)
Low risk38th percentile - higher than 38% of all known CVEs
Summary
NextCloud Server and NextCloud Enterprise Server provide file storage for a productivity platform. In versions 26.0.0 to 26.0.2, an attacker could supply a URL that redirects an unsuspecting user from a legitimate domain to an attacker's site.
Risk Assessment
Organizations may be vulnerable to phishing and other attacks that exploit redirects to malicious sites. Users may unknowingly expose their personal or login information.
Recommendation
It is recommended to update to version 26.0.2 or later to patch this vulnerability. Additionally, monitor network traffic for potential attack attempts.
Other vulnerabilities in NextCloud Server, NextCloud Enterprise Server
See all- CVE-2023-35928High
In Nextcloud Server versions 25.0.0 to 25.0.7 and 26.0.0 to 26.0.2, as well as in Nextcloud Enterprise Server versions 19.0.0 to 19.0.13.9, there was a vulnerability that allowed users to access another user's login credentials and take over their account. This issue has been patched in newer versions of the software.
- CVE-2023-35927High
NextCloud Server and NextCloud Enterprise Server have a vulnerability that allows a malicious server to modify or delete VCards in the system address book when two servers are registered as trusted and exchange share secrets. This affects versions from 25.0.0 to 25.0.7 and from 26.0.0 to 26.0.2, as well as various versions of Nextcloud Enterprise Server.
- CVE-2023-35172High
NextCloud Server and NextCloud Enterprise Server have a vulnerability that allows an attacker to bruteforce password reset links in specific versions of the software. This affects versions 25.0.0 to 25.0.7 and 26.0.0 to 26.0.2 for NextCloud Server and various versions of NextCloud Enterprise Server.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

