How severe is CVE-2020-4976?

CVE-2020-4976 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-4976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4976?

CVE-2020-4976 primarily affects Ibm Db2. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4976?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-4976 published?

CVE-2020-4976 was published on 2021-03-11 and last updated on 2026-06-17.

CVE-2020-4976

CVE-2020-4976 is a medium-severity vulnerability in Ibm Db2 with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 3.6
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Ibm Db2
Published: 2021-03-11
Last modified: 2026-06-17

Description

IBM 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 user to read and write specific files due to weak file permissions. IBM X-Force ID: 192469.

Frequently asked questions

What is CVE-2020-4976?: IBM 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 user to read and write specific files due to weak file permissions. IBM X-Force ID: 192469.
How severe is CVE-2020-4976?: CVE-2020-4976 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-4976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4976?: CVE-2020-4976 primarily affects Ibm Db2. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4976 published?: CVE-2020-4976 was published on 2021-03-11 and last updated on 2026-06-17.

References

Affected products (33)

cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:-:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp10:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp2:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp3:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp3a:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp4:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp5:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp6:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp7:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp8:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp9:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7:fp9a:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:-:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:fp1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:fp2:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:fp3:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:fp3a:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:fp4:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1:fp5:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:-:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp2:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp3:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp3a:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp4:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp5:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp6:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp7:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp8:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5:fp9:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

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CVE-2010-3193 — Critical (CVSS 10.0): Unspecified vulnerability in the DB2STST program in IBM DB2 9.1 before FP9, 9.5 before FP6, and 9.7 before FP2 has…
CVE-2009-4335 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in bundled stored procedures in the Spatial Extender component in IBM DB2 9.5…
CVE-2009-3473 — Critical (CVSS 10.0): IBM DB2 9.1 before FP8 does not require the SETSESSIONUSER privilege for the SET SESSION AUTHORIZATION statement, which…
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CVE-2019-19896 — Critical (CVSS 9.9): In IXP EasyInstall 6.2.13723, there is Remote Code Execution via weak permissions on the Engine Service share. The…
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