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CVE-2020-4491

MEDIUMCVSS 5.5/10EPSS 0.29%

Last modified

CVE-2020-4491 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.29%

20.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
IbmSpectrum Scale> 4.2.0.0, <= 4.2.3.22
IbmSpectrum Scale> 5.0.0.0, <= 5.0.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-4491?
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.
How severe is CVE-2020-4491?
CVE-2020-4491 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2020-4491?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-4491?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST