How severe is CVE-2023-34353?

CVE-2023-34353 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-34353 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34353?

CVE-2023-34353 affects Openautomationsoftware Oas Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34353?

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-2023-34353 published?

CVE-2023-34353 was published on 2023-09-05 and last updated on 2026-06-17.

CVE-2023-34353

CVE-2023-34353 is a high-severity vulnerability in Openautomationsoftware Oas Platform with a CVSS 3.x base score of 7.5. 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-330.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Openautomationsoftware Oas Platform
Published: 2023-09-05
Last modified: 2026-06-17

Description

An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.

Frequently asked questions

What is CVE-2023-34353?: An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.
How severe is CVE-2023-34353?: CVE-2023-34353 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-34353 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34353?: CVE-2023-34353 affects Openautomationsoftware Oas Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34353?: 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-2023-34353 published?: CVE-2023-34353 was published on 2023-09-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openautomationsoftware:oas_platform:18.00.0072:*:*:*:*:*:*:*

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