CVE-2023-31242

Name: CVE-2023-31242
Creator: NVD / NIST
Published: 2023-09-05T17:15:08.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.36%

Last modified Jun 17, 2026

CVE-2023-31242 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially-crafted series of network requests can lead to arbitrary authentication. EPSS estimates a 3.36% chance of exploitation in the next 30 days.

Description

An authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially-crafted series of network requests can lead to arbitrary authentication. An attacker can send a sequence of requests to trigger this vulnerability.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.36%

87.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openautomationsoftware	Oas Platform	18.00.0072

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1769Exploit, Technical Description, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1769Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1769Exploit, Technical Description, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1769Exploit, Technical Description, Third Party Advisory

Timeline

Published: Sep 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31242?

How severe is CVE-2023-31242?

CVE-2023-31242 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.36% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31242?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31242?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST