CVE-2016-9920 (GCVE-0-2016-9920)
Vulnerability from cvelistv5 – Published: 2016-12-08 18:00 – Updated: 2024-08-06 03:07
VLAI
EPSS
VEX
Summary
steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://blog.ripstech.com/2016/roundcube-command-… | x_refsource_MISC |
| http://www.securityfocus.com/bid/94858 | vdb-entryx_refsource_BID |
| http://www.openwall.com/lists/oss-security/2016/1… | mailing-listx_refsource_MLIST |
| https://roundcube.net/news/2016/11/28/updates-1.2… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/201612-44 | vendor-advisoryx_refsource_GENTOO |
Date Public
2016-12-08 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T03:07:31.413Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"
},
{
"name": "94858",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/94858"
},
{
"name": "[oss-security] 20161208 roundcube code execution via mail()",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"
},
{
"name": "GLSA-201612-44",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/201612-44"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2016-12-08T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2017-06-30T16:57:01.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"
},
{
"name": "94858",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/94858"
},
{
"name": "[oss-security] 20161208 roundcube code execution via mail()",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"
},
{
"name": "GLSA-201612-44",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO"
],
"url": "https://security.gentoo.org/glsa/201612-44"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2016-9920",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/",
"refsource": "MISC",
"url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"
},
{
"name": "94858",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/94858"
},
{
"name": "[oss-security] 20161208 roundcube code execution via mail()",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"
},
{
"name": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released",
"refsource": "CONFIRM",
"url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"
},
{
"name": "GLSA-201612-44",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/201612-44"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2016-9920",
"datePublished": "2016-12-08T18:00:00.000Z",
"dateReserved": "2016-12-08T00:00:00.000Z",
"dateUpdated": "2024-08-06T03:07:31.413Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2016-9920",
"date": "2026-07-16",
"epss": "0.05621",
"percentile": "0.9205"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2016-9920\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-12-08T18:59:00.200\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message.\"},{\"lang\":\"es\",\"value\":\"steps/mail/sendmail.inc en Roundcube en versiones anteriores a 1.1.7 y 1.2.x en versiones anteriores a 1.2.3, cuando ning\u00fan servidor SMTP est\u00e1 configurado y el programa sendmail est\u00e1 habilitado, no restringe adecuadamente el uso de direcciones personalizadas envelope-from en la l\u00ednea de comando de sendmail, lo que permite a usuarios remotos autenticados ejecutar c\u00f3digo arbitrario a trav\u00e9s de una petici\u00f3n HTTP modificada que env\u00eda un mensaje de correo electr\u00f3nico manipulado.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:P/I:P/A:P\",\"baseScore\":6.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":6.8,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.1.6\",\"matchCriteriaId\":\"47DB8BF5-B1EE-49BD-AFE3-4383AAC0B2C3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:roundcube:webmail:1.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6556D4DF-FFF9-4EE0-91EA-84314D7CF071\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:roundcube:webmail:1.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"98A43C92-1266-47DB-B3D9-A12CFE271EEA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:roundcube:webmail:1.2.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BEFDA8E6-5BD6-4A20-8B67-C9597B67DABA\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2016/12/08/10\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/94858\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://blog.ripstech.com/2016/roundcube-command-execution-via-email/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201612-44\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/12/08/10\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/94858\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://blog.ripstech.com/2016/roundcube-command-execution-via-email/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201612-44\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
"redhat_vex": {
"current_release_date": "2026-01-09T09:02:53+00:00",
"cve": "CVE-2016-9920",
"id": "CVE-2016-9920",
"initial_release_date": "2016-12-06T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "roundcubemail: Code execution via mail()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-9920.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Loading…
Loading…