Auth bypass in Open Automation Software Oas Platform

CVE-2022-26833

An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

EPSS exploit prediction

EPSS: 0.376 (98.5th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-26833: held from 0.376 to 0.376.

EPSS over last 30 days · oldest: 0.376 · newest: 0.376 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-26833?
CVE-2022-26833 is a critical-severity vulnerability in Open Automation Software Oas Platform, classified under Missing Authentication for Critical Function. CVSS score: 9.4/10. Published 2022-05-25.
How severe is CVE-2022-26833?
Critical severity. CVSS v3 base score is 9.4 out of 10.
Is CVE-2022-26833 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.