Search/CVE-2021-45936
● CVE — Medium

CVE-2021-45936

VendorwolfsslProductwolfmqttDiscoveredJan 1, 2022UpdatedNov 21, 2024

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttDecode_Disconnect (called from MqttClient_DecodePacket and MqttClient_WaitType).

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CVSS v3.1
5.5 MEDIUM
EPSS
0.92%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 25, 2026
▲ 0.03pp
0.89% → 0.92% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Jan 1, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024