What’s Vulnerable › Vulnerabilities

CVE-2020-13768

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-04 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Minishare Project Minishare: before 1.4.2 — fixed in 1.4.2

How to fix

Upgrade to a fixed version: Minishare Project Minishare 1.4.2. Check the vendor advisory for mitigations.

References

• https://github.com/sartlabs/OSCE-Prep/blob/9a9d2471a9de09457f970be4ea1b57a74d26705a/My%20CVEs/Minishare_BOF_PUT.py
• https://github.com/sartlabs/OSCE-Prep/blob/9a9d2471a9de09457f970be4ea1b57a74d26705a/My%20CVEs/Minishare_BOF_PUT.py

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