CVE-2022-47379
Published: 15 May 2023
Summary
CVE-2022-47379 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 14.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
An out-of-bounds write vulnerability tracked as CVE-2022-47379 affects multiple CODESYS products across multiple versions. The flaw, assigned CWE-787, permits an authenticated remote attacker to write arbitrary data into memory regions outside expected bounds, carrying a CVSS 3.1 base score of 8.8.
An authenticated remote attacker with network access can supply crafted input that triggers the out-of-bounds write. Successful exploitation can produce a denial-of-service condition, arbitrary memory corruption, or remote code execution on the affected industrial control system components.
CODESYS has published security advisories and associated patches through its customer portal at the referenced URLs, directing users to apply vendor updates for the impacted product versions.
EPSS for the CVE rose from lower values after disclosure to a recorded peak of 0.0645 on 2026-03-11 before receding to the current score of 0.0242, indicating a period of increased exploitation interest that later subsided.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-50146
Vulnerability details
An authenticated, remote attacker may use a out-of-bounds write vulnerability in multiple CODESYS products in multiple versions to write data into memory 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.