The IBM Spectrum Scale 4.2 and 5.0 file system component is affected by a denial of service security vulnerability.

published 2020-03-09 6y ago modified 2026-06-17 4mo ago also EUVD-2020-25464

cvss: 7.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

The IBM Spectrum Scale 4.2 and 5.0 file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale. IBM X-Force ID: 175067.

Patch / fix

links 1

ibm.com/support/pages/node/5693463 advisory

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Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.5	CVSS:3.0/I:N/PR:N/C:N/AV:N/A:H/AC:L/UI:N/S:U/RL:O/RC:C/E:U
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

IBM Spectrum Scale

Classification

Weakness

CWE-754 Improper Check for Unusual or Exceptional Conditions

References

ibm.com /support/pages/node/5693463
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/175067
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-4217
NVD CVE-2020-4217

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