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Missing rate limiting on password reset functionality allows sending lots of emails

Low
miaulalala published GHSA-492h-596q-xr2f Feb 13, 2023

Package

Server (Nextcloud)

Affected versions

< 25.0.1, < 24.0.8, < 23.0.12

Patched versions

25.0.1, 24.0.8, 23.0.12
Server (Enterprise) (Nextcloud)
< 25.0.1, < 24.0.8, < 23.0.12
25.0.1, 24.0.8, 23.0.12

Description

Impact

Service slowdown, storage overflow, cost impact when using external email services

Patches

It is recommended that the Nextcloud Server is upgraded to 25.0.1, 24.0.8 or 23.0.12
It is recommended that the Nextcloud Enterprise Server is upgraded to 25.0.1, 24.0.8, 23.0.12

Workarounds

No workaround available

References

For more information

If you have any questions or comments about this advisory:

Severity

Low
3.7
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE ID

CVE-2023-25161

Weaknesses

Credits