What is CVE-2024-39705?

CVE-2024-39705 is a critical-severity vulnerability in N/a, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2024-06-27.

How severe is CVE-2024-39705?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-39705 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in N/a

CVE-2024-39705

NLTK through 3.8.1 allows remote code execution if untrusted packages have pickled Python code, and the integrated data package download functionality is used. This affects, for example, averaged_perceptron_tagger and punkt.

Vulnerability class: Insecure Deserialization

Published 2024-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.5th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2024-39705?: CVE-2024-39705 is a critical-severity vulnerability in N/a, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2024-06-27.
How severe is CVE-2024-39705?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-39705 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.