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Vulnerability details: VCID-h8ux-dxha-aybt
Vulnerability ID VCID-h8ux-dxha-aybt
Aliases CVE-2019-19270
Summary An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry (checking twice for subject, rather than once for subject and once for issuer) prevents some valid CRLs from being taken into account, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-295 Improper Certificate Validation
System Score Found at
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2019-19270
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-19270
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-19270
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-2019-19270
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19270
https://github.com/proftpd/proftpd/issues/859
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/
946346 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946346
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: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-2019-19270 https://nvd.nist.gov/vuln/detail/CVE-2019-19270
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19270
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:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19270
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 0.40745
EPSS Score 0.00185
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:07:57.182089+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0