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{
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{
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{
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{
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},
{
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},
{
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"fld": "simcentric.com",
"subdomain": "www.rev",
"tld": "com"
}
]
},
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"dh": [],
"dsa": [],
"ecdsa": [],
"fingerprint_sha256": "87a265e3660c70c6e91252f929575e1bc037f3bb66f9cdc98e68d43a1881ec81",
"key_algorithm": "RSA",
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"length": 2048
}
},
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"validation_level": "DV",
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"not_after": "2026-01-04T21:18:43",
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"tags": [
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}
},
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"severity": "medium"
}
],
"_meta": {
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},
"last_updated_at": "2025-12-04T03:59:39.233Z"
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],
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"banner": [
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"pop3",
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],
"is_vuln": true,
"cveDetails": {
"CVE-2023-51766": {
"id": "CVE-2023-51766",
"references": [
"http://www.openwall.com/lists/oss-security/2023/12/24/1",
"http://www.openwall.com/lists/oss-security/2023/12/25/1",
"http://www.openwall.com/lists/oss-security/2023/12/29/2",
"http://www.openwall.com/lists/oss-security/2024/01/01/1",
"http://www.openwall.com/lists/oss-security/2024/01/01/2",
"http://www.openwall.com/lists/oss-security/2024/01/01/3",
"https://bugs.exim.org/show_bug.cgi?id=3063",
"https://bugzilla.redhat.com/show_bug.cgi?id=2255852",
"https://exim.org/static/doc/security/CVE-2023-51766.txt",
"https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html",
"https://git.exim.org/exim.git/commit/5bb786d5ad568a88d50d15452aacc8404047e5ca",
"https://git.exim.org/exim.git/commit/cf1376206284f2a4f11e32d931d4aade34c206c5",
"https://github.com/Exim/exim/blob/master/doc/doc-txt/cve-2023-51766",
"https://lists.debian.org/debian-lts-announce/2024/01/msg00002.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORN7OKEQPPBKUHYRQ6LR5PSNBQVDHAWB/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QPDWHJPABVJCXDSNELSSVTIVAJU2MDUQ/",
"https://lwn.net/Articles/956533/",
"https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/",
"https://www.openwall.com/lists/oss-security/2023/12/23/2",
"https://www.youtube.com/watch?v=V8KPV96g1To",
"http://www.openwall.com/lists/oss-security/2023/12/24/1",
"http://www.openwall.com/lists/oss-security/2023/12/25/1",
"http://www.openwall.com/lists/oss-security/2023/12/29/2",
"http://www.openwall.com/lists/oss-security/2024/01/01/1",
"http://www.openwall.com/lists/oss-security/2024/01/01/2",
"http://www.openwall.com/lists/oss-security/2024/01/01/3",
"https://bugs.exim.org/show_bug.cgi?id=3063",
"https://bugzilla.redhat.com/show_bug.cgi?id=2255852",
"https://exim.org/static/doc/security/CVE-2023-51766.txt",
"https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html",
"https://git.exim.org/exim.git/commit/5bb786d5ad568a88d50d15452aacc8404047e5ca",
"https://git.exim.org/exim.git/commit/cf1376206284f2a4f11e32d931d4aade34c206c5",
"https://github.com/Exim/exim/blob/master/doc/doc-txt/cve-2023-51766",
"https://lists.debian.org/debian-lts-announce/2024/01/msg00002.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORN7OKEQPPBKUHYRQ6LR5PSNBQVDHAWB/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QPDWHJPABVJCXDSNELSSVTIVAJU2MDUQ/",
"https://lwn.net/Articles/956533/",
"https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/",
"https://www.openwall.com/lists/oss-security/2023/12/23/2",
"https://www.youtube.com/watch?v=V8KPV96g1To"
],
"score": 5.3,
"services": [
"465/smtp"
],
"severity": "medium",
"summary": "Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Exim supports <LF>.<CR><LF> but some other popular e-mail servers do not.",
"vector_string": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"weakness": "CWE-345"
}
}
}