CVE-2021-20237
CVE-2021-20237
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 1.7%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
28 May 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.
Affected products
n/a · zeromqWant to know if your infrastructure is exposed to this?
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