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Fencer Vulns
high 8.2

CVE-2023-43696 json

Improper Access Control in SICK APU allows an unprivileged remote attacker to download as well as upload arbitrary files via anonymous acce…

published 2023-10-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-48077

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

Improper Access Control in SICK APU allows an unprivileged remote attacker to download as well as upload arbitrary files via anonymous access to the FTP server.

Patch / fix

  • sick apu0200_firmware 4.0.0.6

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • SICK AG APU0200
  • sick apu0200_firmware

Classification

Weakness
  • CWE-284 Improper Access Control
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.