CVE-2020-4945

HIGHNVD 8.18.1—

8.1

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 30.9%
KEV: Not listed

Published

June 24, 2021

Last Modified

November 21, 2024

References (6)

psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/191945
psirt@ushttps://security.netapp.com/advisory/ntap-20210720-0006/
psirt@ushttps://www.ibm.com/support/pages/node/6466367
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/191945
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210720-0006/
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/6466367

Weakness Classification(1)

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

CWE-732Incorrect Permission Assignment for Critical Resource

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
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 14:28 UTCEG score recompute
2026-05-26 14:28 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
2026-05-25 21:46 UTCOSV refresh

Frequently asked(5)

What is CVE-2020-4945?

CVE-2020-4945 is a high vulnerability published on June 24, 2021. IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.

When was CVE-2020-4945 disclosed?

CVE-2020-4945 was first published in the National Vulnerability Database on June 24, 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-2020-4945 actively exploited?

CVE-2020-4945 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-4945?

CVE-2020-4945 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2020-4945?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-4945, 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-2020-4945

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-4945?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

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