CVE-2021-21563
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or...
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or Exceptional Conditions in its auditing component.This can lead to an authenticated user with low-privileges to trigger a denial of service event.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or Exceptional Conditions in its auditing component.This can lead to an authenticated user with low-privileges to trigger a denial of service event.
- Record
CVE-2021-21563- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-754
- Updated
- 2026-11-02
EUVDEUVD-2021-8835
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or Exceptional Conditions in its auditing component.This can lead to an authenticated user with low-privileges to trigger a denial of service event.
- Record
EUVD-2021-8835- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rmxw-pfxm-56jj No score
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or...
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or Exceptional Conditions in its auditing component.This can lead to an authenticated user with low-privileges to trigger a denial of service event.
- Record
GHSA-rmxw-pfxm-56jj- Weakness
- CWE-754
- Updated
- 2026-11-02
NVD
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or Exceptional Conditions in its auditing component.This can lead to an authenticated user with low-privileges to trigger a denial of service event.
- Record
CVE-2021-21563- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-754
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21563 is a medium vulnerability (CVSS 6.5) in Dell Emc Powerscale Onefs, published August 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.