CVE-2023-39020

Name: CVE-2023-39020
Creator: NVD / NIST
Published: 2023-07-28T15:15:13.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2023-39020 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. stanford-parser v3.9.2 and below was discovered to contain a code injection vulnerability in the component edu.stanford.nlp.io.getBZip2PipedInputStream. This vulnerability is exploited via passing an unchecked argument.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

stanford-parser v3.9.2 and below was discovered to contain a code injection vulnerability in the component edu.stanford.nlp.io.getBZip2PipedInputStream. This vulnerability is exploited via passing an unchecked argument.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.87%

54.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Stanford	Stanford Parser	< 4.5.5

References

Timeline

Published: Jul 28, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39020?

How severe is CVE-2023-39020?

CVE-2023-39020 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39020?

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.

Are you affected by CVE-2023-39020?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST