Time-Based Information Disclosure Vulnerability in Flow
The PersistedUsernamePasswordProvider was prone to a information disclosure of account existance based on timing attacks as the hashing of passwords was only done in case an account was found. We changed the core so that the provider always does a password comparison in case credentials were submitted at all.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | neos/flow | >= 2.3.0, < 2.3.16, >= 3.0.0, < 3.0.10, >= 3.1.0, < 3.1.7, >= 3.2.0, < 3.2.7, >= 3.3.0, < 3.3.5 | 2.3.16, 3.0.10, 3.1.7, 3.2.7, 3.3.5 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
-- Platform
- Composer
- Package
neos/flow- Disclosed
- 17.05.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6pq8-67pw-j6hw - CC BY 4.0
Vulnerability history: neos/flow
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 5
- First → latest
- 05.2022 05.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 4
- Low 1
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 4
- 2025: 0
- 2026: 0
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Time-Based Information Disclosure Vulnerability in Flow this entry
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