CVE-2020-13768: In MiniShare before 1.4.2, there is a stack-based buffer overflow via an HTTP PUT request, which allows an att

Q: How do I fix CVE-2020-13768?

minishare: upgrade to 1.4.2. Exact commands for each OS are on this page.

Q: Is CVE-2020-13768 being exploited?

CVE-2020-13768 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-13768 affect?

CVE-2020-13768 affects minishare. Severity is critical (CVSS 9.8). 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 produ

Q: How urgent is CVE-2020-13768?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2020-13768 is a critical-severity flaw (CVSS 9.8) affecting minishare. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-787
Published	2020-06-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: minishare project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-06-04 21:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

minishare project minishare UPGRADE

Affected: < 1.4.2

Fixed in: 1.4.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy minishare || rpm -q minishare || minishare --version

2. UPGRADE to 1.4.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade minishare

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade minishare

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-13768?

minishare: upgrade to 1.4.2. Exact commands for each OS are on this page.

Is CVE-2020-13768 being exploited?

CVE-2020-13768 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-13768 affect?

CVE-2020-13768 affects minishare. Severity is critical (CVSS 9.8). 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 produ

How urgent is CVE-2020-13768?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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