CVE-2021-38649 [Exploited] | Microsoft Azure Automation State …

CVE-2021-38649 is rated Critical Active Threat (86.7/100): CVSS High severity, with high exploitation likelihood (EPSS 6.73%, 91th percentile). CISA KEV confirms active exploitation (added 2021-11-03) affecting Microsoft / Open Management Infrastructure (OMI). Unauthenticated remote administrative access may be possible. EPSS rose +1.71% over the last day, indicating growing attacker interest. The CISA remediation deadline has passed—treat as an emergency patch priority.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-05-21	5.02%	6.73%	+1.71%
2	2026-04-03	6.51%	5.02%	-1.49%
3	2025-11-21	—	6.51%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-05-21

5.02%

6.73%

+1.71%

2026-04-03

6.51%

5.02%

-1.49%

2025-11-21

—

6.51%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.0	3.1	HIGH	`CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. 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: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.	1.0	5.9	[email protected]
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. 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:L) A normal user session is enough; they don’t have to be admin. 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: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.	1.8	5.9	[email protected]
4.6	2.0	MEDIUM	`AV:L/AC:L/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:L) Requires local access to the target system. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	3.9	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.0

3.1

HIGH

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

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
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: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.

1.0

5.9

[email protected]

7.8

3.1

HIGH

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

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
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:L): A normal user session is enough; they don’t have to be admin.
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: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.

1.8

5.9

[email protected]

4.6

2.0

MEDIUM

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

Access vector (AV:L): Requires local access to the target system.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

3.9

6.4

[email protected]

OS Trackers for CVE-2021-38649

vendor	priority	summary	link
`suse`	critical	—	https://www.suse.com/security/cve/CVE-2021-38649/

vendor

priority

summary

link

suse

critical

—

https://www.suse.com/security/cve/CVE-2021-38649/

Affected software / configurations for CVE-2021-38649

Vendor	Product	Version	Raw CPE
microsoft	azure_automation_state_configuration	—	cpe:2.3:a:microsoft:azure_automation_state_configuration:-:::::::*
microsoft	azure_automation_update_management	—	cpe:2.3:a:microsoft:azure_automation_update_management:-:::::::*
microsoft	azure_diagnostics_\(lad\)	—	cpe:2.3:a:microsoft:azure_diagnostics_\(lad\):-:::::::*
microsoft	azure_open_management_infrastructure	—	cpe:2.3:a:microsoft:azure_open_management_infrastructure:-:::::::*
microsoft	azure_security_center	—	cpe:2.3:a:microsoft:azure_security_center:-:::::::*
microsoft	azure_sentinel	—	cpe:2.3:a:microsoft:azure_sentinel:-:::::::*
microsoft	azure_stack_hub	—	cpe:2.3:a:microsoft:azure_stack_hub:-:::::::*
microsoft	container_monitoring_solution	—	cpe:2.3:a:microsoft:container_monitoring_solution:-:::::::*
microsoft	log_analytics_agent	—	cpe:2.3:a:microsoft:log_analytics_agent:-:::::::*
microsoft	system_center_operations_manager	—	cpe:2.3:a:microsoft:system_center_operations_manager:-:::::::*

References for CVE-2021-38649

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38649	Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38649	US Government Resource

URL

CVE-2021-38649 | Open Management Infrastructure Elevation of Privilege Vulnerability

CISA KEV Record for CVE-2021-38649

Exploit prediction scoring system (EPSS) score for CVE-2021-38649

Common vulnerability scoring system (CVSS) metrics for CVE-2021-38649

Weakness enumeration for CVE-2021-38649

OS Trackers for CVE-2021-38649

Affected software / configurations for CVE-2021-38649

References for CVE-2021-38649