CVE-2025-8549

Name: CVE-2025-8549
Creator: NVD / NIST
Published: 2025-08-05T07:15:35.867+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.9/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2025-8549 is a low-severity vulnerability rated 2.9/10 on the CVSS scale. A vulnerability was found in atjiu pybbs up to 6.0.0. It has been classified as critical. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

3.7/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS 4.0

2.9/10

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.40%

31.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-521

Affected Software

Vendor	Product	Versions
Pybbs Project	Pybbs	<= 6.0.0

References

https://github.com/atjiu/pybbs/commit/d09cb19a8e7d7e5151282926ada54080244d499fPatch
https://github.com/atjiu/pybbs/issues/201Exploit, Issue Tracking
https://github.com/atjiu/pybbs/issues/201#issue-3256288016Exploit, Issue Tracking
https://github.com/atjiu/pybbs/issues/201#issuecomment-3134733216Issue Tracking
https://vuldb.com/?ctiid.318678Permissions Required, VDB Entry
https://vuldb.com/?id.318678Third Party Advisory, VDB Entry
https://vuldb.com/?submit.622187Third Party Advisory, VDB Entry
https://github.com/atjiu/pybbs/issues/201Exploit, Issue Tracking
https://github.com/atjiu/pybbs/issues/201#issue-3256288016Exploit, Issue Tracking
https://github.com/atjiu/pybbs/issues/201#issuecomment-3134733216Issue Tracking

Timeline

Published: Aug 5, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8549?

How severe is CVE-2025-8549?

CVE-2025-8549 has a CVSS score of 2.9/10 (LOW severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8549?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8549?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST