CVE-2022-26833 (GCVE-0-2022-26833)

Vulnerability from cvelistv5 – Published: 2022-05-25 20:15 – Updated: 2024-09-16 23:11
VLAI KEVIntel
Summary
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.
Severity
9.4 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Credits
Discovered by Jared Rittle of Cisco Talos.
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 261a4d55-5965-489f-8ac2-52a3e0290c75

Vulnerability ID: CVE-2022-26833

Status: Confirmed

Status Updated: 2025-08-01 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-08-01
Asserted: 2025-08-01
Scope
Notes: KEVIntel entry: An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A... | Affected: Open Automation Software / OAS Platform | CVSS: 9.4 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A...
Vendor Open Automation Software
Product OAS Platform
Added Date 2025-08-01T00:00:00.000Z
Cvss Score 9.4
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-19 12:45 UTC | Updated: 2026-06-19 12:45 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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