CVE-2024-12534: Denial of Service (DoS) in open-webui/open-webui
Description
In version v0.3.32 of open-webui/open-webui, the application allows users to submit large payloads in the email and password fields during the sign-in process due to the lack of character length validation on these inputs. This vulnerability can lead to a Denial of Service (DoS) condition when a user submits excessively large strings, exhausting server resources such as CPU, memory, and disk space, and rendering the service unavailable for legitimate users. This makes the server susceptible to resource exhaustion attacks without requiring authentication.
Classification
CVE ID: CVE-2024-12534
CVSS Base Severity: HIGH
CVSS Base Score: 7.5
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types
CWE-400 Uncontrolled Resource ConsumptionAffected Products
Vendor: open-webui
Product: open-webui/open-webui
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.09% (probability of being exploited)
EPSS Percentile: 26.98% (scored less or equal to compared to others)
EPSS Date: 2025-04-18 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2024-12534https://huntr.com/bounties/c7c0a4e6-acd3-49b4-8684-2c2c27014b76