CVE-2020-28596: prusa3d prusaslicer Out-of-bounds Write
Vulnerability summary
CVE-2020-28596 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in prusa3d prusaslicer. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 10-02-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
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
1.52%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
Increase +0.08 pp
From 1.44% 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-2020-1220X Refsource MISCREPORTExploitThird Party Advisory
