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Vulnerability details: VCID-zqhv-mcc4-ybeq
Vulnerability ID VCID-zqhv-mcc4-ybeq
Aliases CVE-2019-19269
Summary An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.
Status Published
Exploitability 0.5
Weighted Severity 4.4
Risk 2.2
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
epss 0.00716 https://api.first.org/data/v1/epss?cve=CVE-2019-19269
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2019-19269
cvssv3.1 4.9 https://nvd.nist.gov/vuln/detail/CVE-2019-19269
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-2019-19269
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19269
https://github.com/proftpd/proftpd/issues/861
https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/
https://security.gentoo.org/glsa/202003-35
https://www.oracle.com/security-alerts/cpuapr2020.html
946345 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946345
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:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:alpha:*:*:*:*:*:*
cpe:2.3:a:proftpd:proftpd:1.3.6:beta:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:proftpd:proftpd:1.3.6:beta:*:*:*:*:*:*
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:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
CVE-2019-19269 https://nvd.nist.gov/vuln/detail/CVE-2019-19269
No exploits are available.
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19269
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:H/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19269
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 0.71476
EPSS Score 0.00716
Published At Aug. 4, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:07:57.163003+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0