Vulnerability in Perfree Perfreeblog
CVE-2025-5164
A vulnerability has been found in PerfreeBlog 4.0.11 and classified as problematic. This vulnerability affects the function JwtUtil of the component JWT Handler. The manipulation leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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: 0.007 (52.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Perfree Perfreeblog — versions 4.0.11
- Perfreeblog — versions 4.0.11
Weakness classification (CWE)
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/147536951/Qiany1/blob/main/Perfreeblog_3.pdf (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-5164?
- CVE-2025-5164 is a low-severity vulnerability in Perfree Perfreeblog, classified under CWE-320. CVSS score: 3.7/10. Published 2025-05-26.
- How severe is CVE-2025-5164?
- Low severity. CVSS v3 base score is 3.7 out of 10.