Cyber Resilience

CVE-2022-47393

Medium

Published: 15 May 2023

Published
15 May 2023
Modified
17 July 2025
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0044 63.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-47393 is a medium-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Codesys Control For Beaglebone Sl. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 36.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An authenticated, remote attacker may use a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple versions of multiple CODESYS products to force a denial-of-service situation.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

codesys
control for beaglebone sl
≤ 4.8.0.0
codesys
control for empc-a\/imx6 sl
≤ 4.8.0.0
codesys
control for iot2000 sl
≤ 4.8.0.0
codesys
control for linux sl
≤ 4.8.0.0
codesys
control for pfc100 sl
≤ 4.8.0.0
codesys
control for pfc200 sl
≤ 4.8.0.0
codesys
control for plcnext sl
≤ 4.8.0.0
codesys
control for raspberry pi sl
≤ 4.8.0.0
codesys
control for wago touch panels 600 sl
≤ 4.8.0.0
codesys
control rte \(for beckhoff cx\) sl
≤ 3.5.19.0
+7 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-119

Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.

addresses: CWE-119

Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.

addresses: CWE-119

Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.

addresses: CWE-119

Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.

References