CVE-2022-35411

critical

Description

rpc.py through 0.6.0 allows Remote Code Execution because an unpickle occurs when the "serializer: pickle" HTTP header is sent. In other words, although JSON (not Pickle) is the default data format, an unauthenticated client can cause the data to be processed with unpickle.

References

https://medium.com/%40elias.hohl/remote-code-execution-0-day-in-rpc-py-709c76690c30

https://github.com/ehtec/rpcpy-exploit

https://github.com/abersheeran/rpc.py/commit/491e7a841ed9a754796d6ab047a9fb16e23bf8bd

http://packetstormsecurity.com/files/167872/rpc.py-0.6.0-Remote-Code-Execution.html

Details

Source: Mitre, NVD

Published: 2022-07-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.45862