CVE-2020-28594: prusa3d prusaslicer Use After Free
Vulnerability summary
CVE-2020-28594 is a high (CVSS 8.8) Use After Free vulnerability in prusa3d prusaslicer. EPSS estimates a 1.42% chance of exploitation in the next 30 days, higher than 72.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 17-08-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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 provide a malicious file to trigger this vulnerability.
CVSS metrics
7 scores · 4 sources · 3 versions- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.42%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
Increase +0.08 pp
From 1.34% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- slic3r-prusaAll versions (No fix recorded)
Prusa3d1 product
- prusaslicer2.2.0
Ubuntu1 product
- slic3r-prusaAll versions (No fix recorded)
3 vendors · 3 products
References
4 links- talosintelligence.com/vulnerability_reports/TALOS-2020-1218X Refsource MISCREPORTExploitThird Party Advisory
