CVE-2022-47381
Published: 15 May 2023
Summary
CVE-2022-47381 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
CVE-2022-47381 is a stack-based out-of-bounds write vulnerability, tracked under CWE-787, that affects multiple CODESYS products across multiple versions. The flaw permits an attacker to write data onto the stack, with a CVSS 3.1 base score of 8.8 reflecting network attack vector, low attack complexity, and low privileges required.
An authenticated remote attacker can send crafted network traffic to trigger the condition, resulting in denial of service, arbitrary memory corruption, or remote code execution on the affected system.
Vendor advisories and patches addressing the issue are available to CODESYS customers via the referenced download links on the CODESYS customer portal.
EPSS for the CVE rose from a low baseline to a peak of 0.0575 before receding to the current value of 0.0203, indicating a temporary increase in exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-50148
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.