CVE-2020-4492

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-08-31 · updated 2026-06-17
Weakness: CWE-88

Description

IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.

Affected products

IBM Spectrum Scale: from 4.2.0.0 through 4.2.3.21; from 5.0.0.0 through 5.0.4.3

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/181992
https://www.ibm.com/support/pages/node/6324249
https://exchange.xforce.ibmcloud.com/vulnerabilities/181992
https://www.ibm.com/support/pages/node/6324249

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