CVE-2021-45937 describes a heap-based buffer overflow vulnerability in wolfSSL wolfMQTT version 1.9, specifically within the MqttClient_DecodePacket function. This flaw carries a CVSS score of 5.5 (Medium), indicating a local attack vector requiring user interaction, with a potential impact of high availability compromise. While no active exploitation, public exploit code, or significant community discussion has been observed, organizations utilizing wolfMQTT 1.9 should prioritize patching to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.9CPE matchmatch criteria | cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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