Is CVE-2020-4739 in the CISA KEV catalog?

No. CVE-2020-4739 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-4739?

CVE-2020-4739 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-4739?

CVE-2020-4739 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-4739?

Upgrade db2 to 11.5.5.0 or later.

CVE & CISA-KEV Catalog

CVE-2020-4739

HIGH

7.8

CVSS v3

NVD

Description

IBM DB2 Accessories Suite for Linux, UNIX, and Windows, DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 188149.

CWE-426

How to fix

Remediation Available

db2NVD

Affected:>= 11.5, < 11.5.5.0Fixed in:11.5.5.0CVE-2020-4739derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Patch1

ibm.com

Vendor Advisory1

exchange.xforce.ibmcloud.com

Related Vulnerabilities

Other CWE-426 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-0096	High	9.3	71%	-	-
CVE-2016-10009	High	7.3	37%	-	Fix
CVE-2016-0016	High	7.8	31%	-	-
CVE-2012-1854	High	7.8	21%	KEV	-
CVE-2018-12589	High	7.8	20%	-	-
CVE-2022-22047	High	7.8	19%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.