CVE-2020-23679

CRITICALNVD 9.89.8—

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 79.0%
KEV: Not listed

Published

November 3, 2021

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 26, 2026

No patch confirmed yet.

generic

client 注册用户信息，存在栈溢出漏洞 · Issue #1 · Renleilei1992/Linux_Network_Project · GitHub

https://github.com/Renleilei1992/Linux_Network_Project/issues/1

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 08:05 UTCEG score recompute
2026-05-26 08:05 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-23679?

CVE-2020-23679 is a critical vulnerability published on November 3, 2021. Buffer overflow vulnerability in Renleilei1992 LinuxNetworkProject 1.0, allows attackers to execute arbitrary code, via the password field.

When was CVE-2020-23679 disclosed?

CVE-2020-23679 was first published in the National Vulnerability Database on November 3, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-23679 actively exploited?

CVE-2020-23679 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 79.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-23679?

CVE-2020-23679 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-23679?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-23679, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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