CVE-2020-28596

Name: CVE-2020-28596
Creator: NVD / NIST
Published: 2021-02-10T22:15:13.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.44%

Last modified Jun 17, 2026

CVE-2020-28596 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

Description

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.44%

69.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Prusa3d	Prusaslicer	2.2.0

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1220Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1220Exploit, Third Party Advisory

Timeline

Published: Feb 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28596?

How severe is CVE-2020-28596?

CVE-2020-28596 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28596?

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-2020-28596?

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

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Source: NVD / NIST