CVE-2025-5164: PerfreeBlog JWT JwtUtil hard-coded key

3.7 CVSS

Description

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. In PerfreeBlog 4.0.11 wurde eine problematische Schwachstelle gefunden. Betroffen ist die Funktion JwtUtil der Komponente JWT Handler. Durch Manipulieren mit unbekannten Daten kann eine use of hard-coded cryptographic key
-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Die Komplexität eines Angriffs ist eher hoch. Das Ausnutzen gilt als schwierig. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-5164

CVSS Base Severity: LOW

CVSS Base Score: 3.7

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

Problem Types

Use of Hard-coded Cryptographic Key Key Management Error

Affected Products

Vendor: n/a

Product: PerfreeBlog

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 7.79% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-5164
https://vuldb.com/?id.310252
https://vuldb.com/?ctiid.310252
https://vuldb.com/?submit.576433
https://github.com/147536951/Qiany1/blob/main/Perfreeblog_3.pdf

Timeline