CVE-2025-8549
Published: 05 August 2025
Summary
CVE-2025-8549 is a low-severity Weak Password Requirements (CWE-521) vulnerability in Pybbs Project Pybbs. Its CVSS base score is 2.9 (Low).
Operationally, exploitation aligns with the MITRE ATT&CK technique Brute Force (T1110); ranked in the top 45.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-23612
Vulnerability details
A vulnerability was found in atjiu pybbs up to 6.0.0. It has been classified as critical. Affected is the function update of the file src/main/java/co/yiiu/pybbs/controller/admin/UserAdminController.java. The manipulation leads to weak password requirements. It is possible to launch the attack remotely.…
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The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The patch is identified as d09cb19a8e7d7e5151282926ada54080244d499f. It is recommended to apply a patch to fix this issue.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Weak password requirements (CWE-521) enable/facilitate brute force (T1110), password guessing (T1110.001), password spraying (T1110.003) due to allowance of trivial passwords like single digits, and map to unsecured credentials (T1552) per advisory.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Configuration settings can define and enforce strong password requirements to avoid weak policies.
IA policy establishes password requirements, directly addressing weak password requirements.
Ensuring authenticators have sufficient strength of mechanism for intended use addresses weak password requirements.
Organization-wide password and authentication policies are applied uniformly, preventing weak local password requirements.
Facilitated training and awareness of current practices improves definition and enforcement of sufficiently strong password requirements.
Dedicated security resources support deployment of strong authentication systems and enforcement of robust password policies.
Vulnerability scans assess password policies and weak credential requirements against benchmarks.
User documentation on maintaining security includes password requirements, directly mitigating weak password policies.