CVE-2026-42167

HIGH EPSS 91.2%
Published Apr 28, 20262mo ago · Modified Jun 17, 20262w ago
8.1 CVSS 3.1
High
Find Similar
Published Apr 28, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).

CVSS Details

Base Score
8.1
Exploitability
2.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
91.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-89 SQL Injection Injection

References 7

  • openwall.com http://www.openwall.com/lists/oss-security/2026/05/01/13
  • openwall.com http://www.openwall.com/lists/oss-security/2026/05/01/4
  • proftpd.org http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1
  • github.com https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc
  • github.com https://github.com/proftpd/proftpd/issues/2052
  • openwall.com https://www.openwall.com/lists/oss-security/2026/05/01/4
  • zeropath.com https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.