CVE-2020-4491

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: 2020-10-20 · updated 2026-06-17

Description

IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash. IBM X-Force ID: 181991.

Affected products

IBM Spectrum Scale: from 4.2.0.0 (excl.) through 4.2.3.22; from 5.0.0.0 (excl.) through 5.0.5

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/181991
https://www.ibm.com/support/pages/node/6349465
https://exchange.xforce.ibmcloud.com/vulnerabilities/181991
https://www.ibm.com/support/pages/node/6349465

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