CVE-2022-25845
Deserialization of Untrusted Data
- Published
- Jun 10, 2022
- Updated
- Sep 16, 2024
- Assigning CNA
- snyk
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 97.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The package com.alibaba:fastjson before 1.2.83 are vulnerable to Deserialization of Untrusted Data by bypassing the default autoType shutdown restrictions, which is possible under certain conditions. Exploiting this vulnerability allows attacking remote servers. Workaround: If upgrading is not possible, you can enable [safeMode](https://github.com/alibaba/fastjson/wiki/fastjson_safemode).
Sources
5- fastjson-CVE-2022-25845Exploit
Exploit for CVE-2022-25845 targeting FastJSON deserialization vulnerability in Java applications. Enables remote code execution via crafted JSON payloads.
- FastjsonVulnsExploit
- CVE-2022-25845-In-SpringExploit
CVE-2022-25845 (fastjson 1.2.80) exploit for Spring environments with step-by-step PoC, file read, and arbitrary file write via Jackson/commons-io deserialization chains.
Responsible use
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