.94.3 and earlier allows remote attackers to execute arbitrary commands when the advertise or noadvertise directive is used in a configuration file, via shell metacharacters in the Reply-To header. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-1220","sourceIdentifier":"cve@mitre.org","published":"1997-08-24T04:00:00.000","lastModified":"2026-06-16T21:49:58.500","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Majordomo 1.94.3 and earlier allows remote attackers to execute arbitrary commands when the advertise or noadvertise directive is used in a configuration file, via shell metacharacters in the Reply-To header."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":true,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:great_circle_associates:majordomo:*:*:*:*:*:*:*:*","versionEndIncluding":"1.94.3","matchCriteriaId":"37C9445A-0F39-4664-8F08-F22B17346655"}]}]}],"references":[{"url":"http://www.securityfocus.com/archive/1/7527","source":"cve@mitre.org","tags":["Exploit","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/502","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/7527","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/502","source":"af854a3a-2127-422b-91ae-364da2661108"}]}},