CVE-2020-23679

Name: CVE-2020-23679
Creator: NVD / NIST
Published: 2021-11-03T17:15:08.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2020-23679 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Buffer overflow vulnerability in Renleilei1992 Linux_Network_Project 1.0, allows attackers to execute arbitrary code, via the password field.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

Buffer overflow vulnerability in Renleilei1992 Linux_Network_Project 1.0, allows attackers to execute arbitrary code, via the password field.

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

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Linux Network Project	Linux Network Project	1.0

References

https://github.com/Renleilei1992/Linux_Network_Project/issues/1Exploit, Third Party Advisory
https://github.com/Renleilei1992/Linux_Network_Project/issues/1Exploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-23679?

Buffer overflow vulnerability in Renleilei1992 Linux_Network_Project 1.0, allows attackers to execute arbitrary code, via the password field.

How severe is CVE-2020-23679?

CVE-2020-23679 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23679?

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-2020-23679?

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

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Source: NVD / NIST