Input validation error in Fastjson - #VU23397
Published: December 4, 2019 / Updated: May 23, 2022
Vulnerability identifier: #VU23397
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Daye
Affected software:
Fastjson
Fastjson
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted JSON data packets and execute arbitrary code on the target Fastjson server.
Remediation
Install update from vendor's website.