Use After Free in Prusa3d Prusaslicer

CVE-2020-28594

A use-after-free vulnerability exists in the _3MF_Importer::_handle_end_model() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted 3MF file can lead to code execution. An attacker can provi…

Vulnerability class: Use-After-Free

EPSS: 0.013 (68.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Prusa3d Prusaslicer — versions 2.2.0
  • N/a Prusa Research — versions Prusa Research PrusaSlicer 2.2.0 , Prusa Research PrusaSlicer Master (commit 4b040b856)

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28594?
CVE-2020-28594 is a high-severity vulnerability in Prusa3d Prusaslicer, classified under Use After Free. CVSS score: 7.8/10. Published 2021-08-17.
How severe is CVE-2020-28594?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-28594 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.