CVE-2020-28594
A use-after-free vulnerability exists in the _3MF_Importer::_handle_end_model() functionality of...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2020-28594- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2020-20992
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.
- Record
EUVD-2020-20992- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-22g3-xr7w-8vqq
A use-after-free vulnerability exists in the _3MF_Importer::_handle_end_model() functionality of...
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.
- Record
GHSA-22g3-xr7w-8vqq- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-28594- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-28594- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-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 provide a malicious file to trigger this vulnerability.
- Record
DEBIAN-CVE-2020-28594- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-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 provide a malicious file to trigger this vulnerability.
- Record
UBUNTU-CVE-2020-28594- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
slic3r-prusaDebian:12 |
All versions, plus listed versions 2.5.0+dfsg-42.5.2+dfsg-12.6.0+dfsg-12.6.0+dfsg-22.6.0+dfsg-3 Show 26 moreShow less2.6.1+dfsg-12.6.1+dfsg-22.6.1+dfsg-32.6.1+dfsg-42.6.1+dfsg-4.12.7.1+dfsg-12.7.2+dfsg-12.7.4+dfsg-12.7.4+dfsg-1.12.7.5~rc1+dfsg-12.8.0+dfsg-12.8.1+dfsg2-12.8.1+dfsg2-22.9.0+dfsg-12.9.1+dfsg-12.9.2+dfsg-12.9.2+dfsg-22.9.3+dfsg-12.9.3+dfsg-22.9.4+dfsg-12.9.4+dfsg-22.9.4+dfsg-32.9.4+dfsg-42.9.5+dfsg-12.9.6+dfsg-12.9.6+dfsg-2 |
None known |
slic3r-prusaDebian:13 |
All versions, plus listed versions 2.9.2+dfsg-12.9.2+dfsg-22.9.3+dfsg-12.9.3+dfsg-22.9.4+dfsg-1 Show 6 moreShow less2.9.4+dfsg-22.9.4+dfsg-32.9.4+dfsg-42.9.5+dfsg-12.9.6+dfsg-12.9.6+dfsg-2 |
None known |
slic3r-prusaDebian:14 |
All versions, plus listed versions 2.9.2+dfsg-12.9.2+dfsg-22.9.3+dfsg-12.9.3+dfsg-22.9.4+dfsg-1 Show 6 moreShow less2.9.4+dfsg-22.9.4+dfsg-32.9.4+dfsg-42.9.5+dfsg-12.9.6+dfsg-12.9.6+dfsg-2 |
None known |
slic3r-prusaUbuntu:18.04:LTS |
All versions, plus listed versions 1.37.0+dfsg-1.11.37.0+dfsg-1.1build11.38.0+dfsg-11.39.0+dfsg-11.39.1+dfsg-3 |
None known |
slic3r-prusaUbuntu:20.04:LTS |
All versions, plus listed versions 1.39.2+dfsg-1build31.39.2+dfsg-1build42.1.1+dfsg-12.1.1+dfsg-22.1.1+dfsg-2build12.1.1+dfsg-2build22.1.1+dfsg-2ubuntu1 |
None known |
slic3r-prusaUbuntu:22.04:LTS |
All versions, plus listed versions 2.3.1+dfsg-12.4.0+dfsg-12.4.0+dfsg-2 |
None known |
slic3r-prusaUbuntu:24.04:LTS |
All versions, plus listed versions 2.5.2+dfsg-12.7.2+dfsg-1build12.7.2+dfsg-1build2 |
None known |
slic3r-prusaUbuntu:25.10 |
All versions, plus listed versions 2.9.1+dfsg-12.9.2+dfsg-1 |
None known |
slic3r-prusaUbuntu:26.10 |
All versions, plus listed versions 2.9.4+dfsg-42.9.6+dfsg-12.9.6+dfsg-1build1 |
None known |
slic3r-prusaUbuntu:26.04:LTS |
All versions, plus listed versions 2.9.2+dfsg-12.9.4+dfsg-2ubuntu12.9.4+dfsg-4 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-28594 is a high vulnerability (CVSS 8.8) in Prusa3d Prusaslicer, published August 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.42%, the 72nd percentile. No source names a fixed version.