CVE-2022-47380
Published: 15 May 2023
Summary
CVE-2022-47380 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Codesys Control For Beaglebone Sl. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 15.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
An authenticated remote attacker can exploit a stack-based out-of-bounds write vulnerability, tracked as CVE-2022-47380, that affects multiple CODESYS products across multiple versions. The flaw is classified under CWE-787 and carries a CVSS 3.1 base score of 8.8, reflecting network attack vector, low attack complexity, and low privileges required.
An attacker with valid credentials can send crafted data that overwrites stack memory, resulting in denial-of-service conditions, arbitrary memory corruption, or remote code execution that impacts confidentiality, integrity, and availability.
CODESYS has published customer advisories and associated files that address the issue; these are available through the vendor’s authenticated portal for affected product versions.
The EPSS score rose from low values to a peak of 0.0575 on 2026-03-11 before receding to the current 0.0203, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-50147
Vulnerability details
An authenticated remote attacker may use a stack based out-of-bounds write vulnerability in multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwriting, or remote code execution.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.