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5
CVSSv2

CVE-2021-32741

Published: 12/07/2021 Updated: 14/07/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
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Vulnerability Summary

Nextcloud Server is a Nextcloud package that handles data storage. In versions before 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the public share link mount endpoint. This may have allowed an malicious user to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.

Vulnerability Trend

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Vendor Advisories

Arch Linux Issues:
In Nextcloud Server versions prior to 2103, there was a lack of ratelimiting on the public share link mount endpoint This may have allowed an attacker to enumerate potentially valid share tokens ...

References

NVD-CWE-Otherhttps://github.com/nextcloud/server/pull/26958https://hackerone.com/reports/1192144https://github.com/nextcloud/security-advisories/security/advisories/GHSA-crvj-vmf7-xrvrhttps://nvd.nist.govhttps://security.archlinux.org/CVE-2021-32741
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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