CVE-2020-14983

CRITICALNVD 9.89.8—

9.8

The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 69.8%
KEV: Not listed

Published

June 22, 2020

Last Modified

November 21, 2024

References (8)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
cve@mitrehttps://github.com/chocolate-doom/chocolate-doom/issues/1293
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/chocolate-doom/chocolate-doom/issues/1293

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 7× in last 7d / 7× 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
2026-05-27 02:04 UTCEG score recompute
2026-05-27 02:04 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-14983?

CVE-2020-14983 is a critical vulnerability published on June 22, 2020. The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.

When was CVE-2020-14983 disclosed?

CVE-2020-14983 was first published in the National Vulnerability Database on June 22, 2020, 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-2020-14983 actively exploited?

CVE-2020-14983 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-14983?

CVE-2020-14983 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-14983?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-14983, 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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CVE-2020-14983

📅 Published

🔄 Last Modified

🔗 References (8)