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CVE-2025-71463

MEDIUMCVSS 6.7/10EPSS 0.31%

Last modified

CVE-2025-71463 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Scapy before 2.7.0 contains an insecure deserialization vulnerability in the load_session function that allows attackers to execute code by supplying a malicious pickle session file. Attackers can trick users into loading a crafted .pkl.gz file via the -s option or conf.session, executing embedded Python code through __reduce__().. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

Scapy before 2.7.0 contains an insecure deserialization vulnerability in the load_session function that allows attackers to execute code by supplying a malicious pickle session file. Attackers can trick users into loading a crafted .pkl.gz file via the -s option or conf.session, executing embedded Python code through __reduce__().

Metrics

CVSS 3.1
6.7/10

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

CVSS 4.0
5.4/10

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.31%

24.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
secdevscapy< 2.7.0

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2025-71463?
Scapy before 2.7.0 contains an insecure deserialization vulnerability in the load_session function that allows attackers to execute code by supplying a malicious pickle session file. Attackers can trick users into loading a crafted .pkl.gz file via the -s option or conf.session, executing embedded Python code through __reduce__().
How severe is CVE-2025-71463?
CVE-2025-71463 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2025-71463?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST