CVE-2022-47385
Published: 15 May 2023
Summary
CVE-2022-47385 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 in the CmpAppForce component present in multiple versions of several CODESYS products. The flaw is tracked as CVE-2022-47385 and carries a CVSS 3.1 base score of 8.8. Successful exploitation can corrupt stack memory, resulting in denial of service, arbitrary memory overwrite, or remote code execution.
Because the attack requires valid credentials and network reachability, any authenticated user or process with access to the affected CODESYS instance can trigger the condition without user interaction. The vulnerability affects the integrity, confidentiality, and availability of the target system at high impact levels.
Official advisories and updated component releases addressing the issue are available through the CODESYS customer portal at the referenced URLs.
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 period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-50152
Vulnerability details
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpAppForce Component of 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…
more
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.