ktg-mes FastJSON Deserialization Vulnerability (CVE-2025-63617)
CVE-2025-63617 Published on November 10, 2025

ktg-mes before commit a484f96 (2025-07-03) has a fastjson deserialization vulnerability. This is because it uses a vulnerable version of fastjson and deserializes unsafe input data.

NVD

Vulnerability Analysis

CVE-2025-63617 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2025-63617. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2025-63617 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Exploit Probability

EPSS
0.14%
Percentile
33.25%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.