CVE-2020-28591

Name: CVE-2020-28591
Creator: NVD / NIST
Published: 2021-03-03T18:15:13.673+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.90%

Last modified Jun 17, 2026

CVE-2020-28591 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An out-of-bounds read vulnerability exists in the AMF File AMFParserContext::endElement() functionality of Slic3r libslic3r 1.3.0 and Master Commit 92abbc42. A specially crafted AMF file can lead to information disclosure. EPSS estimates a 1.90% chance of exploitation in the next 30 days.

Description

An out-of-bounds read vulnerability exists in the AMF File AMFParserContext::endElement() functionality of Slic3r libslic3r 1.3.0 and Master Commit 92abbc42. A specially crafted AMF file can lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

1.90%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Slic3r	Libslic3r	1.3.0
Fedoraproject	Fedora	32
Fedoraproject	Fedora	33
Fedoraproject	Fedora	34

References

Timeline

Published: Mar 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28591?

How severe is CVE-2020-28591?

CVE-2020-28591 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28591?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28591?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST