What is CVE-2023-43697?

CVE-2023-43697 is a medium-severity vulnerability in Sick Apu0200, classified under Modification of Assumed-Immutable Data (MAID). CVSS score: 6.5/10. Published 2023-10-09.

How severe is CVE-2023-43697?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-43697 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Sick Apu0200

CVE-2023-43697

Modification of Assumed-Immutable Data (MAID) in RDT400 in SICK APU allows an unprivileged remote attacker to make the site unable to load necessary strings via changing file paths using HTTP requests.

Published 2023-10-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.009 (58.1th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.002

Affected products

Weakness classification (CWE)

CWE-471 — Modification of Assumed-Immutable Data (MAID)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

sick.com/psirt (issue-tracking, Product)
sick.com/.well-known/csaf/white/2023/sca-2023-0010.pdf (vendor-advisory, Vendor Advisory)
sick.com/.well-known/csaf/white/2023/sca-2023-0010.json (x_csaf, Vendor Advisory)

Frequently asked questions

What is CVE-2023-43697?: CVE-2023-43697 is a medium-severity vulnerability in Sick Apu0200, classified under Modification of Assumed-Immutable Data (MAID). CVSS score: 6.5/10. Published 2023-10-09.
How severe is CVE-2023-43697?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-43697 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.