Weak Password Enforcement in atjiu pybbs Product
CVE-2025-8549

6.3MEDIUM

Key Information:

Vendor

Atjiu

Status
Pybbs
Vendor
CVE Published:
5 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8549?

A security issue has been identified in the atjiu pybbs application, specifically within the UserAdminController.java file. The vulnerability relates to inadequate password requirements, which allows users to create weak passwords. This flaw can be exploited remotely, raising concerns about unauthorized access to sensitive accounts. Although the attack requires a high level of complexity, it has been disclosed publicly. Users of affected versions are strongly advised to implement the provided patch (d09cb19a8e7d7e5151282926ada54080244d499f) to mitigate the risk.

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Affected Version(s)

pybbs 6.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-8549 - Proof of Concept

References

https://vuldb.com/?id.318678
vdb-entrytechnical-description
https://vuldb.com/?ctiid.318678
signaturepermissions-required
https://vuldb.com/?submit.622187
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZAST.AI (VulDB User)
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