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Vulnerability details: VCID-kpwe-srxu-aaam
Vulnerability ID VCID-kpwe-srxu-aaam
Aliases CVE-2019-18217
Summary ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.
Status Published
Exploitability 2.0
Weighted Severity 6.8
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
epss 0.05457 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.05457 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.0709 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
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epss 0.10765 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.91254 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.91254 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.91254 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
epss 0.94981 https://api.first.org/data/v1/epss?cve=CVE-2019-18217
cvssv3.1 5.9 https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
generic_textual MODERATE https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-18217
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-18217
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-18217
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
https://api.first.org/data/v1/epss?cve=CVE-2019-18217
https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18217
https://github.com/proftpd/proftpd/blob/1.3.6/NEWS
https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES
https://github.com/proftpd/proftpd/blob/master/NEWS
https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
https://github.com/proftpd/proftpd/issues/846
https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/
https://seclists.org/bugtraq/2019/Nov/7
https://security.gentoo.org/glsa/202003-35
https://www.debian.org/security/2019/dsa-4559
942831 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942831
cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.6:a:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:a:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.6:rc1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:rc1:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.6:rc2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:rc2:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.6:rc3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:rc3:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.6:rc4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:rc4:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.7:rc1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.7:rc1:*:*:*:*:*:*
CVE-2019-18217 https://nvd.nist.gov/vuln/detail/CVE-2019-18217
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-18217
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-18217
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-18217
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.8967
EPSS Score 0.05457
Published At June 14, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.