What is CVE-2020-13768?

CVE-2020-13768 is a critical-severity vulnerability in Minishare Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-06-04.

How severe is CVE-2020-13768?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-13768 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Minishare Project

CVE-2020-13768

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.

Vulnerability class: Buffer Overflow

Published 2020-06-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Minishare Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

TheMalwareGuardian/CVE-2020-13768

References

github.com/sartlabs/OSCE-Prep/blob/9a9d2471a9de09457f970be4ea1b57a74d26705a/My… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13768?: CVE-2020-13768 is a critical-severity vulnerability in Minishare Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-06-04.
How severe is CVE-2020-13768?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-13768 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.