CVE-2021-47952
python jsonpickle 2.0.0 Remote Code Execution via py/repr
Vexday Risk Score
48Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
CVSS 9.3EPSS 0.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Ciclo de vida
16 may 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya existe PoC pública.
python jsonpickle 2.0.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary Python commands by deserializing malicious JSON payloads containing py/repr objects. Attackers can craft JSON strings with py/repr directives that invoke the eval function during deserialization to execute arbitrary code.
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
Productos afectados
Jsonpickle · python jsonpicklePoCs públicas encontradas — 1
cve_referencewww.exploit-db.com/exploits/49585no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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Hablar con TrueHacking →Referencias
https://access.redhat.com/security/cve/CVE-2021-47952https://bugzilla.redhat.com/show_bug.cgi?id=2478170https://github.com/jsonpickle/jsonpicklehttps://jsonpickle.github.iohttps://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47952.jsonhttps://www.exploit-db.com/exploits/49585https://www.vulncheck.com/advisories/python-jsonpickle-remote-code-execution-via-py-repr