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CVE-2021-32996highCWE-192CWE-681

CVE-2021-32996

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 1.1%
exploitation probability
1.1%top 39% of all CVEs
observed exploitation
nono source reports it
In short

FANUC industrial controllers can crash due to a flaw in how they handle certain data types, requiring a restart. This can interrupt production and affect manufacturing operations.

Technical detail

Integer coercion vulnerability in FANUC R-30iA/R-30iB controllers allows remote or local attackers to cause denial of service via malformed input that triggers improper type conversion, resulting in system crash requiring manual restart (CVE-2021-32996, CVSS 7.5).

Summary generated and translated by AI from the official description.
The FANUC R-30iA and R-30iB series controllers are vulnerable to integer coercion errors, which cause the device to crash. A restart is required.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H