Medium severity · published Aug 3, 2021
CVE-2021-21565
Dell PowerScale OneFS versions 9.1.0.3 and earlier contain a denial of service vulnerability
5.3
CVSS
0.9%
EPSS
No
On KEV
Description
Dell PowerScale OneFS versions 9.1.0.3 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Powerscale Onefs · Dell
through 9.1.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21565
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21565
Vendor Advisory
https://www.dell.com/support/kbdoc/000188148
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