CVE-2021-20234
moderate-risk
Published 2021-04-01
An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.
Do I need to act?
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0.80% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
32
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
3/34 · Minimal
Exposure
5/34 · Minimal