CVE-2018-20940

LOWNVD 3.33.3—

3.3

cPanel before 68.0.27 allows attackers to read root's crontab file during a short time interval upon the enabling of backups (SEC-342).

CVSS v3: 3.3
EG Score: 3.3(medium)
EPSS: 10.1%
KEV: Not listed

Published

August 1, 2019

Last Modified

November 21, 2024

References (3)

cve@mitrehttps://documentation.cpanel.net/display/CL/68+Change+Log
nvd@nisthttps://news.cpanel.com/cpanel-tsr-2018-0001-full-disclosure/
af854a3a-2127-422b-91ae-364da2661108https://documentation.cpanel.net/display/CL/68+Change+Log

Weakness Classification(1)

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

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

Data Freshness Timeline

(refreshed 10× in last 7d / 19× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 16:31 UTCEG score recompute
2026-05-27 16:31 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
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
2026-05-25 16:16 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-20940?

CVE-2018-20940 is a low vulnerability published on August 1, 2019. cPanel before 68.0.27 allows attackers to read root's crontab file during a short time interval upon the enabling of backups (SEC-342).

When was CVE-2018-20940 disclosed?

CVE-2018-20940 was first published in the National Vulnerability Database on August 1, 2019, 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-2018-20940 actively exploited?

CVE-2018-20940 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-20940?

CVE-2018-20940 has a CVSS v3 base score of 3.3 (NVD).

How do I remediate CVE-2018-20940?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20940, 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-2018-20940

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-20940?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)