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CVE-2023-32320

HIGH
Published 2023-06-22T20:57:54.832Z
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CVSS Score

V3.1
8.7
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.607
Higher than 60.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. When multiple requests are sent in parallel, all of them were executed even if the amount of faulty requests succeeded the limit by the time the response was sent to the client. This allowed someone to send as many requests the server could handle in parallel to bruteforce protected details instead of the configured limit, default 8. Nextcloud Server versions 25.0.7 and 26.0.2 and Nextcloud Enterprise Server versions 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7 and 26.0.2 contain patches for this issue.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

nextcloud

security-advisories

Affected Versions:

Nextcloud Server >= 25.0.0, < 25.0.7 Nextcloud Server >= 26.0.0, < 26.0.2 Nextcloud Enterprise Server >= 21.0.0, < 21.0.9.12 Nextcloud Enterprise Server >= 22.0.0, < 22.2.10.12 Nextcloud Enterprise Server >= 23.0.0, < 23.0.12.7 Nextcloud Enterprise Server >= 24.0.0, < 24.0.12.2 Nextcloud Enterprise Server >= 25.0.0, < 25.0.7 Nextcloud Enterprise Server >= 26.0.0, < 26.0.2

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qphh-6xh7-vffg
https://github.com/nextcloud/server/pull/38274
https://hackerone.com/reports/1918525
Published: 2023-06-22T20:57:54.832Z
Last Modified: 2024-12-05T17:32:28.262Z
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