Vulnerability Details : CVE-2021-32705
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the public DAV endpoint. This may have allowed an attacker to enumerate potentially valid share tokens or credentials. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.
Products affected by CVE-2021-32705
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32705
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32705
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2021-32705
-
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.Assigned by: nvd@nist.gov (Secondary)
-
The product does not properly limit the number or frequency of interactions that it has with an actor, such as the number of incoming requests.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-32705
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-fjv7-283f-5m54
Lack of ratelimit on public DAV endpoint · Advisory · nextcloud/security-advisories · GitHubThird Party Advisory
-
https://hackerone.com/reports/1192159
Sign inPermissions Required
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https://security.gentoo.org/glsa/202208-17
Nextcloud: Multiple Vulnerabilities (GLSA 202208-17) — Gentoo securityThird Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BVZS26RDME2DYTKET5AECRIZDFUGR2AZ/
[SECURITY] Fedora 33 Update: nextcloud-19.0.13-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/nextcloud/server/pull/27610
Throttle on public DAV endpoint by LukasReschke · Pull Request #27610 · nextcloud/server · GitHubPatch;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J63NBVPR2AQCAWRNDOZSGRY5II4WS2CZ/
[SECURITY] Fedora 34 Update: nextcloud-20.0.11-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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