How severe is CVE-2022-35411?

CVE-2022-35411 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-35411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 46% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35411?

CVE-2022-35411 affects Rpc.py Project Rpc.py. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-35411?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-35411 published?

CVE-2022-35411 was published on 2022-07-08 and last updated on 2026-06-17.

CVE-2022-35411

CVE-2022-35411 is a critical-severity vulnerability in Rpc.py Project Rpc.py with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 46% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 46% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Rpc.py Project Rpc.py
Published: 2022-07-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-35411?: 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.
How severe is CVE-2022-35411?: CVE-2022-35411 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-35411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 46% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35411?: CVE-2022-35411 affects Rpc.py Project Rpc.py. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-35411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-35411 published?: CVE-2022-35411 was published on 2022-07-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rpc.py_project:rpc.py:*:*:*:*:*:*:*:*

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