CVE-2020-5372 [High] | Denial of Service in Emc Powerstore 1000 Firmware

Dell EMC PowerStore versions prior to 1.0.1.0.5.002 contain a vulnerability that exposes test interface ports to external network. A remote unauthenticated attacker could potentially cause Denial of Service via test interface ports which are not used during run time environment.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.66%	0.94%	+0.28%
2	2025-03-17	0.18%	0.66%	+0.48%
3	2023-03-07	—	0.18%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.66%

0.94%

+0.28%

2025-03-17

0.18%

0.66%

+0.48%

2023-03-07

—

0.18%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.6	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	4.7	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:N/I:N/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.6

3.1

HIGH

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:L): Attackers could change some data, but it’s limited—not everything goes.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

4.7

[email protected]

7.5

3.1

HIGH

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

2.9

[email protected]

Affected software / configurations for CVE-2020-5372

Vendor	Product	Version	Raw CPE
dell	emc_powerstore_1000_firmware	< 1.0.1.0.5.002	cpe:2.3:o:dell:emc_powerstore_1000_firmware::::::::
dell	emc_powerstore_3000_firmware	< 1.0.1.0.5.002	cpe:2.3:o:dell:emc_powerstore_3000_firmware::::::::
dell	emc_powerstore_5000_firmware	< 1.0.1.0.5.002	cpe:2.3:o:dell:emc_powerstore_5000_firmware::::::::
dell	emc_powerstore_7000_firmware	< 1.0.1.0.5.002	cpe:2.3:o:dell:emc_powerstore_7000_firmware::::::::
dell	emc_powerstore_9000_firmware	< 1.0.1.0.5.002	cpe:2.3:o:dell:emc_powerstore_9000_firmware::::::::

References for CVE-2020-5372

URL	Tags
https://www.dell.com/support/security/en-us/details/544738/DSA-2020-159-Dell-EMC-PowerStore-Family-Improper-Authorization-Vulnerability	Vendor Advisory

URL

CVE-2020-5372

Exploit prediction scoring system (EPSS) score for CVE-2020-5372

Common vulnerability scoring system (CVSS) metrics for CVE-2020-5372

Weakness enumeration for CVE-2020-5372

Affected software / configurations for CVE-2020-5372

References for CVE-2020-5372