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

Vulnerability from cvelistv5 – Published: 2022-05-25 20:15 – Updated: 2024-09-16 23:11
VLAI Shadowserver Previdian
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
Vendor Product Version CPE status
Open Automation Software OAS Platform Affected: V16.00.0121
guessed Create a notification for this product.
Credits
Discovered by Jared Rittle of Cisco Talos.
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: dde8bd62-bc1a-4f34-b498-3c4c8dc2bcf5

Vulnerability ID: CVE-2022-26833

Status: Confirmed

Status Updated: 2026-09-07 00:00 UTC

Exploited: Yes

Characteristics
Severity: 94.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-09-07
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Open Automation Software / OAS Platform | Class: other-software | Severity: Critical (CVSS 9.4) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-09-07: 2
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class other-software
7D Avg 2
Vendor Open Automation Software
30D Avg 1
90D Avg 2
Product OAS Platform
Cisa Kev no
Connections 2
Observation Date 2026-09-07
Vulnerability Class CVSS
Vulnerability Score 9.4
Vulnerability Severity Critical
References
Created: 2026-07-01 05:54 UTC | Updated: 2026-09-09 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f4668b38-3485-44e0-8c6a-437518707360

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: 2026-06-23 11:12 UTC | Updated: 2026-06-23 11:12 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

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.


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