How severe is CVE-2023-43064?

CVE-2023-43064 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43064?

CVE-2023-43064 primarily affects Ibm I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43064?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-43064 published?

CVE-2023-43064 was published on 2023-12-25 and last updated on 2026-06-17.

CVE-2023-43064

CVE-2023-43064 is a high-severity vulnerability in Ibm I with a CVSS 3.x base score of 7.0. 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: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Ibm I
Published: 2023-12-25
Last modified: 2026-06-17

Description

Facsimile Support for IBM i 7.2, 7.3, 7.4, and 7.5 could allow a local user to gain elevated privileges due to an unqualified library call. A malicious actor could cause arbitrary code to run with the privilege of the user invoking the facsimile support. IBM X-Force ID: 267689.

Frequently asked questions

What is CVE-2023-43064?: Facsimile Support for IBM i 7.2, 7.3, 7.4, and 7.5 could allow a local user to gain elevated privileges due to an unqualified library call. A malicious actor could cause arbitrary code to run with the privilege of the user invoking the facsimile support. IBM X-Force ID: 267689.
How severe is CVE-2023-43064?: CVE-2023-43064 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43064?: CVE-2023-43064 primarily affects Ibm I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43064?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-43064 published?: CVE-2023-43064 was published on 2023-12-25 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:ibm:i:7.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*

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All CVEs affecting Ibm I →

Other CWE-427 (Uncontrolled Search Path Element) vulnerabilities

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CVE-2019-25268 — Critical (CVSS 9.8): NREL BEopt 2.8.0.0 contains a DLL hijacking vulnerability that allows attackers to load arbitrary libraries by tricking…
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