How severe is CVE-2023-7339?

CVE-2023-7339 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 none, and availability high.

Is CVE-2023-7339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-7339?

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

Does CVE-2023-7339 have an EU (EUVD) identifier?

Yes. CVE-2023-7339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60540.

When was CVE-2023-7339 published?

CVE-2023-7339 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2023-7339

CVE-2023-7339 is a medium-severity vulnerability 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-121.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60540
Weakness: CWE-121
Published: 2026-03-27
Last modified: 2026-06-17

Description

Stack-based buffer overflow vulnerability in Softing Industrial Automation GmbH gateways allows overflow buffers. This issue affects pnGate: through 1.30 epGate: through 1.30 mbGate: through 1.30 smartLink HW-DP: through 1.30 smartLink HW-PN: through 1.01.

Frequently asked questions

What is CVE-2023-7339?: Stack-based buffer overflow vulnerability in Softing Industrial Automation GmbH gateways allows overflow buffers. This issue affects pnGate: through 1.30 epGate: through 1.30 mbGate: through 1.30 smartLink HW-DP: through 1.30 smartLink HW-PN: through 1.01.
How severe is CVE-2023-7339?: CVE-2023-7339 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 none, and availability high.
Is CVE-2023-7339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-7339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-7339 have an EU (EUVD) identifier?: Yes. CVE-2023-7339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60540.
When was CVE-2023-7339 published?: CVE-2023-7339 was published on 2026-03-27 and last updated on 2026-06-17.

References

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