Vulnerability in Atjiu Pybbs
CVE-2025-8549
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. 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (38.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Atjiu Pybbs — versions 6.0
- Pybbs Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/atjiu/pybbs/issues/201 (issue-tracking, Exploit, Issue Tracking)
- github.com/atjiu/pybbs/issues/201 (issue-tracking, Issue Tracking)
- github.com/atjiu/pybbs/issues/201 (issue-tracking, Exploit, exploit, Issue Tracking)
- github.com/atjiu/pybbs/commit/d09cb19a8e7d7e5151282926ada54080244d499f (Patch, patch)
Frequently asked questions
- What is CVE-2025-8549?
- CVE-2025-8549 is a low-severity vulnerability in Atjiu Pybbs, classified under Weak Password Requirements. CVSS score: 3.7/10. Published 2025-08-05.
- How severe is CVE-2025-8549?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2025-8549 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.