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CVE-2025-70974

CRITICAL

10.0

Beschreibung

Fastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845.

CVE Details

CVSS v3.1 Bewertung10.0

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/9/2026

Zuletzt geandert1/13/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-829

Referenzen

https://cert.360.cn/warning/detail?id=7240aeab581c6dc2c9c5350756079955(cve@mitre.org)

https://github.com/alibaba/fastjson/compare/1.2.47...1.2.48(cve@mitre.org)

https://github.com/vulhub/vulhub/tree/master/fastjson/1.2.47-rce(cve@mitre.org)

https://www.cloudsek.com/blog/androxgh0st-continues-exploitation-operators-compromise-a-us-university-for-hosting-c2-logger(cve@mitre.org)

https://www.cnvd.org.cn/flaw/show/CNVD-2019-22238(cve@mitre.org)

https://www.freebuf.com/vuls/208339.html(cve@mitre.org)

https://www.seebug.org/vuldb/ssvid-98020(cve@mitre.org)

IOC Korrelationen

Keine Korrelationen erfasst

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