CVE-2019-19271

HIGH EPSS 62.1%
Published Nov 26, 20196y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 26, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

Description

An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
62.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-295

Affected Products 1

VendorProductVersionRange
proftpdproftpd* <1.3.6

References 1

  • github.com https://github.com/proftpd/proftpd/issues/860
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/proftpd/proftpd/issues/860
    PatchThird Party Advisory