Vulnerability Details : CVE-2023-35172
NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, an attacker can bruteforce the password reset links. Nextcloud Server n 25.0.7 and 26.0.2 and Nextcloud Enterprise Server 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, and 26.0.2 contain a patch for this issue. No known workarounds are available.
Products affected by CVE-2023-35172
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 23.0.0 and before (<) 23.0.12.7cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 25.0.0 and before (<) 25.0.7cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 24.0.0 and before (<) 24.0.12.2cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 26.0.0 and before (<) 26.0.2cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 21.0.0 and before (<) 21.0.9.12cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 22.0.0 and before (<) 22.2.10.12cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-35172
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-35172
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9
|
5.2
|
NIST | |
|
8.7
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
2.2
|
5.8
|
GitHub, Inc. |
CWE ids for CVE-2023-35172
-
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.Assigned by: security-advisories@github.com (Primary)
References for CVE-2023-35172
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6
Password reset endpoint is not brute force protected · Advisory · nextcloud/security-advisories · GitHubVendor Advisory
-
https://github.com/nextcloud/server/pull/38267
fix(lostpassword): Also rate limit the setPassword endpoint by nickvergessen · Pull Request #38267 · nextcloud/server · GitHubIssue Tracking
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https://hackerone.com/reports/1987062
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