RCE in Python Software Foundation Cpython

CVE-2024-6923

There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.008 (52.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-6923?
CVE-2024-6923 is a medium-severity vulnerability in Python Software Foundation Cpython, classified under Code Injection. CVSS score: 5.5/10. Published 2024-08-01.
How severe is CVE-2024-6923?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-6923 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.