CVE-2022-25845Deserialization of Untrusted Data
- 8.1HighCVSS base score
- 18.7%Exploitation in 30 daysEPSS · top 2.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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).
Timeline
ID reserved
By snyk
- 4 months later
· 4 months later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 18.7% · top 2.7% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Affected products
com.alibaba:fastjson
- affected unspecified – < 1.2.83
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavencom.alibaba:fastjsonGHSA-pv7h-hx5h-mgfj (opens in a new tab)
References
References7
- https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.ddosi.org/fastjson-poc/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/alibaba/fastjson/commit/8f3410f81cbd437f7c459f8868445d50ad301f15 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/alibaba/fastjson/commit/35db4adad70c32089542f23c272def1ad920a60d (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/alibaba/fastjson/wiki/security_update_20220523 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/alibaba/fastjson/releases/tag/1.2.83 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpujul2022.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-6120 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-pv7h-hx5h-mgfj (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-25845)Record last updated .