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Fencer Vulns
medium 5.9

CVE-2024-3913 json

Phoenix Contact: Start sequence allows attack during the boot process

published 2024-08-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-32481

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

An unauthenticated remote attacker can use this vulnerability to change the device configuration due to a file writeable for short time after system startup.

Patch / fix

  • Phoenix Contact CHARX SEC-3000 (1139022) 1.7.0
  • Phoenix Contact CHARX SEC-3050 (1139018) 1.7.0
  • Phoenix Contact CHARX SEC-3100 (1139012) 1.7.0
  • Phoenix Contact CHARX SEC-3150 (1139012) 1.7.0
  • phoenixcontact charx_sec_3000 1.7.0
  • phoenixcontact charx_sec_3050 1.7.0
  • phoenixcontact charx_sec_3100 1.7.0
  • phoenixcontact charx_sec_3150 1.7.0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

  • Phoenix Contact CHARX SEC-3000 (1139022)
  • Phoenix Contact CHARX SEC-3050 (1139018)
  • Phoenix Contact CHARX SEC-3100 (1139012)
  • Phoenix Contact CHARX SEC-3150 (1139012)
  • phoenixcontact charx_sec_3000
  • phoenixcontact charx_sec_3050
  • phoenixcontact charx_sec_3100
  • phoenixcontact charx_sec_3150

Classification

Weakness
  • CWE-552 Files or Directories Accessible to External Parties

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.