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No exploitation reported

CVE-2020-28596

No exploitation reported by the sources we read.

  • Published2021-02-10
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-02-1022:15CVE publishedNVD

Versions per branch

NVD
Prusa3d prusaslicer
BranchAffectedFixed in
2.2= 2.2.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • slic3r-prusaUbuntu:26.10all versions · no fixed version listed
  • slic3r-prusaUbuntu:26.04:LTSall versions · no fixed version listed
  • slic3r-prusaUbuntu:25.10all versions · no fixed version listed
  • slic3r-prusaUbuntu:24.04:LTSall versions · no fixed version listed
  • slic3r-prusaUbuntu:22.04:LTSall versions · no fixed version listed
  • slic3r-prusaUbuntu:20.04:LTSall versions · no fixed version listed
  • slic3r-prusaUbuntu:18.04:LTSall versions · no fixed version listed
  • slic3r-prusaDebian:14all versions · no fixed version listed

2 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-28596 Red Hat Product Security

    prusa-slicer: Multiple vulnerabilities in prusa-slice since 2.2.0

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.8read 2026-10-23
  • CNACVSS 3.08.8known since 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2021-02-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-v5r5-m654-v47x

Frequently asked questions

What is CVE-2020-28596?

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.

Is CVE-2020-28596 actively exploited?

Active exploitation of CVE-2020-28596 has not been confirmed. Its EPSS score was 1.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-28596?

CVE-2020-28596 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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