How severe is CVE-2023-27859?

CVE-2023-27859 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-27859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27859?

CVE-2023-27859 affects Ibm Db2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27859?

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

Does CVE-2023-27859 have an EU (EUVD) identifier?

Yes. CVE-2023-27859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31594.

When was CVE-2023-27859 published?

CVE-2023-27859 was published on 2024-01-22 and last updated on 2026-06-17.

CVE-2023-27859

CVE-2023-27859 is a medium-severity vulnerability in Ibm Db2 with a CVSS 3.x base score of 6.5. 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-427.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-31594
Weakness: CWE-427
Affected product: Ibm Db2
Published: 2024-01-22
Last modified: 2026-06-17

Description

IBM Db2 10.1, 10.5, and 11.1 could allow a remote user to execute arbitrary code caused by installing like named jar files across multiple databases. A user could exploit this by installing a malicious jar file that overwrites the existing like named jar file in another database. IBM X-Force ID: 249205.

Frequently asked questions

What is CVE-2023-27859?: IBM Db2 10.1, 10.5, and 11.1 could allow a remote user to execute arbitrary code caused by installing like named jar files across multiple databases. A user could exploit this by installing a malicious jar file that overwrites the existing like named jar file in another database. IBM X-Force ID: 249205.
How severe is CVE-2023-27859?: CVE-2023-27859 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-27859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27859?: CVE-2023-27859 affects Ibm Db2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-27859 have an EU (EUVD) identifier?: Yes. CVE-2023-27859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31594.
When was CVE-2023-27859 published?: CVE-2023-27859 was published on 2024-01-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*

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CVE-2012-1797 — Critical (CVSS 10.0): IBM DB2 9.5 uses world-writable permissions for nodes.reg, which has unspecified impact and attack vectors.
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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…
CVE-2008-6821 — Critical (CVSS 10.0): Buffer overflow in the DAS server in IBM DB2 8 before FP17, 9.1 before FP5, and 9.5 before FP2 might allow attackers to…

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