We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.
Please see our statement on Data Privacy.
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.
Use of Hard-coded Cryptographic Key
2025-05-25: | Advisory disclosed |
2025-05-25: | VulDB entry created |
2025-05-25: | VulDB entry last update |
Qianyi (VulDB User)
vuldb.com/?id.310252 (VDB-310252 | PerfreeBlog JWT JwtUtil hard-coded key)
vuldb.com/?ctiid.310252 (VDB-310252 | CTI Indicators (IOB, IOC, TTP, IOA))
vuldb.com/?submit.576433 (Submit #576433 | Perfreeblog v4.0.11 Hard-coded Credentials)
github.com/147536951/Qiany1/blob/main/Perfreeblog_3.pdf
Support options