CVE-2020-4006 [Exploited] | Vmware IDENTITY MANAGER Command Injection

CVE-2020-4006 is rated Critical Active Threat (93.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 12.79%, 94th percentile). CISA KEV confirms active exploitation (added 2021-11-03) affecting VMware / Multiple Products. a weakness (CWE-78) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-05-08	13.55%	12.79%	-0.76%
2	2026-05-06	12.83%	13.55%	+0.72%
3	2026-02-27	—	12.83%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-05-08

13.55%

12.79%

-0.76%

2026-05-06

12.83%

13.55%

+0.72%

2026-02-27

—

12.83%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.1	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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:H) They need powerful rights—admin, root, or similar—before this pays off. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.3	6.0	[email protected]
9.1	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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:H) They need powerful rights—admin, root, or similar—before this pays off. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.3	6.0	134c704f-9b21-4f2e-91b3-4a467353bcc0
9.0	2.0	HIGH	`AV:N/AC:L/Au:S/C:C/I:C/A:C` 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:S) A single authentication is required. Confidentiality impact (C:C) Complete confidentiality impact. Integrity impact (I:C) Complete integrity impact. Availability impact (A:C) Complete availability impact.	8.0	10.0	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.1

3.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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:H): They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C): Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.3

6.0

[email protected]

9.1

3.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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:H): They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C): Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.3

6.0

134c704f-9b21-4f2e-91b3-4a467353bcc0

9.0

2.0

HIGH

AV:N/AC:L/Au:S/C:C/I:C/A:C 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:S): A single authentication is required.
Confidentiality impact (C:C): Complete confidentiality impact.
Integrity impact (I:C): Complete integrity impact.
Availability impact (A:C): Complete availability impact.

8.0

10.0

[email protected]

Affected software / configurations for CVE-2020-4006

Vendor	Product	Version	Raw CPE
vmware	identity_manager	3.3.1	cpe:2.3:a:vmware:identity_manager:3.3.1:::::::*
vmware	identity_manager	3.3.2	cpe:2.3:a:vmware:identity_manager:3.3.2:::::::*
vmware	identity_manager	3.3.3	cpe:2.3:a:vmware:identity_manager:3.3.3:::::::*
vmware	identity_manager_connector	3.3.1	cpe:2.3:a:vmware:identity_manager_connector:3.3.1:::::::*
vmware	identity_manager_connector	3.3.2	cpe:2.3:a:vmware:identity_manager_connector:3.3.2:::::::*
vmware	one_access	20.01	cpe:2.3:a:vmware:one_access:20.01:::::::*
vmware	one_access	20.10	cpe:2.3:a:vmware:one_access:20.10:::::::*
vmware	identity_manager_connector	3.3.3	cpe:2.3:a:vmware:identity_manager_connector:3.3.3:::::::*
vmware	cloud_foundation	4.0	cpe:2.3:a:vmware:cloud_foundation:4.0:::::::*
vmware	cloud_foundation	4.0.1	cpe:2.3:a:vmware:cloud_foundation:4.0.1:::::::*
vmware	vrealize_suite_lifecycle_manager	>= 8.0, <= 8.2	cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager::::::::

References for CVE-2020-4006

URL	Tags
https://www.vmware.com/security/advisories/VMSA-2020-0027.html	Vendor Advisory
https://www.kb.cert.org/vuls/id/724367	Third Party Advisory US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-4006	US Government Resource

URL

CVE-2020-4006

CISA KEV Record for CVE-2020-4006

Exploit prediction scoring system (EPSS) score for CVE-2020-4006

Common vulnerability scoring system (CVSS) metrics for CVE-2020-4006

Weakness enumeration for CVE-2020-4006

Affected software / configurations for CVE-2020-4006

References for CVE-2020-4006