CVE-2020-13768

Name: CVE-2020-13768
Creator: NVD / NIST
Published: 2020-06-04T21:15:11.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.09%

Last modified Jun 17, 2026

CVE-2020-13768 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In MiniShare before 1.4.2, there is a stack-based buffer overflow via an HTTP PUT request, which allows an attacker to achieve arbitrary code execution, a similar issue to CVE-2018-19861, CVE-2018-19862, and CVE-2019-17601. NOTE: this product is discontinued.. EPSS estimates a 2.09% chance of exploitation in the next 30 days.

Description

In MiniShare before 1.4.2, there is a stack-based buffer overflow via an HTTP PUT request, which allows an attacker to achieve arbitrary code execution, a similar issue to CVE-2018-19861, CVE-2018-19862, and CVE-2019-17601. NOTE: this product is discontinued.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.09%

79.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Minishare Project	Minishare	< 1.4.2

References

https://github.com/sartlabs/OSCE-Prep/blob/9a9d2471a9de09457f970be4ea1b57a74d26705a/My%20CVEs/Minishare_BOF_PUT.pyExploit, Third Party Advisory
https://github.com/sartlabs/OSCE-Prep/blob/9a9d2471a9de09457f970be4ea1b57a74d26705a/My%20CVEs/Minishare_BOF_PUT.pyExploit, Third Party Advisory

Timeline

Published: Jun 4, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13768?

How severe is CVE-2020-13768?

CVE-2020-13768 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.09% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13768?

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-2020-13768?

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

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Source: NVD / NIST