CVE-2024-6421 | Pepperl+Fuchs: Incorrectly configured FTP-Server in OIT Products

An unauthenticated remote attacker can read out sensitive device information through a incorrectly configured FTP service.

Published: 2024-07-10 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-6421 is rated Moderate Risk (53/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.49%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-6421

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-16 0.25% 0.49% +0.23%
2 2026-01-18 0.49% 0.25% -0.23%
3 2025-11-29 — 0.49% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-6421

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2024-6421

Affected software / configurations for CVE-2024-6421

Vendor Product Version Raw CPE
pepperl-fuchs oit700-f113-b12-cb_firmware <= 2.11.0 cpe:2.3:o:pepperl-fuchs:oit700-f113-b12-cb_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs oit500-f113-b12-cb_firmware <= 2.11.0 cpe:2.3:o:pepperl-fuchs:oit500-f113-b12-cb_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs oit200-f113-b12-cb_firmware <= 2.11.0 cpe:2.3:o:pepperl-fuchs:oit200-f113-b12-cb_firmware:*:*:*:*:*:*:*:*
pepperl-fuchs oit1500-f113-b12-cb_firmware <= 2.11.0 cpe:2.3:o:pepperl-fuchs:oit1500-f113-b12-cb_firmware:*:*:*:*:*:*:*:*

References for CVE-2024-6421

URL Tags
https://cert.vde.com/en/advisories/VDE-2024-038 Third Party Advisory
cvelogic Threat Intelligence