What’s Vulnerable › Vulnerabilities

CVE-2022-35411

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 45.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-08 · updated 2026-06-17
• Weakness: CWE-522

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.

Affected products

• Rpc.Py Project Rpc.Py: from 0.4.2 through 0.6.0

References

• http://packetstormsecurity.com/files/167872/rpc.py-0.6.0-Remote-Code-Execution.html
• https://github.com/abersheeran/rpc.py/commit/491e7a841ed9a754796d6ab047a9fb16e23bf8bd
• https://github.com/ehtec/rpcpy-exploit
• https://medium.com/%40elias.hohl/remote-code-execution-0-day-in-rpc-py-709c76690c30
• http://packetstormsecurity.com/files/167872/rpc.py-0.6.0-Remote-Code-Execution.html
• https://github.com/abersheeran/rpc.py/commit/491e7a841ed9a754796d6ab047a9fb16e23bf8bd
• https://github.com/ehtec/rpcpy-exploit
• https://medium.com/%40elias.hohl/remote-code-execution-0-day-in-rpc-py-709c76690c30

Get alerted when CVE-2022-35411 or the next vulnerability affects your stack