Vulnerability Details CVE-2024-40493
Null Pointer Dereference in `coap_client_exchange_blockwise2` function in Keith Cullen FreeCoAP 1.0 allows remote attackers to cause a denial of service and potentially execute arbitrary code via a specially crafted CoAP packet that causes `coap_msg_get_payload(resp)` to return a null pointer, which is then dereferenced in a call to `memcpy`.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.014
EPSS Ranking 79.7%
CVSS Severity
CVSS v3 Score 9.8
References
Products affected by CVE-2024-40493
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cpe:2.3:a:keith-cullen:freecoap:1.0