CVE-2022-33859 [High] | File Upload / RCE in Foreseer Electrical Power…

A security vulnerability was discovered in the Eaton Foreseer EPMS software. Foreseer EPMS connects an operation’s vast array of devices to assist in the reduction of energy consumption and avoid unplanned downtime caused by the failures of critical systems. A threat actor may upload arbitrary files using the file upload feature. This vulnerability is present in versions 4.x, 5.x, 6.x & 7.0 to 7.5. A new version (v7.6) containing the remediation has been made available by Eaton and a mitigation has been provided for the affected versions that are currently supported. Customers are advised to update the software to the latest version (v7.6). Foreseer EPMS versions 4.x, 5.x, 6.x are no longer supported by Eaton. Please refer to the End-of-Support notification https://www.eaton.com/in/en-us/catalog/services/foreseer/foreseer-legacy.html .

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-12-30	0.28%	0.19%	-0.09%
2	2025-11-21	0.19%	0.28%	+0.09%
3	2025-11-18	—	0.19%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-12-30

0.28%

0.19%

-0.09%

2025-11-21

0.19%

0.28%

+0.09%

2025-11-18

—

0.19%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.1	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/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:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. 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.	1.5	6.0	[email protected]
9.8	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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: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: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.	3.9	5.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.1

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/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:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C): Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
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.

1.5

6.0

[email protected]

9.8

3.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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: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: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.

3.9

5.9

[email protected]

Affected software / configurations for CVE-2022-33859

Vendor	Product	Version	Raw CPE
eaton	foreseer_electrical_power_monitoring_system	>= 4.0, < 7.6	cpe:2.3:a:eaton:foreseer_electrical_power_monitoring_system::::::::

References for CVE-2022-33859

URL	Tags
https://www.eaton.com/us/en-us/company/news-insights/cybersecurity/security-notifications.html	Vendor Advisory

URL

CVE-2022-33859 | Unrestricted file upload in Eaton Foreseer EPMS

Exploit prediction scoring system (EPSS) score for CVE-2022-33859

Common vulnerability scoring system (CVSS) metrics for CVE-2022-33859

Weakness enumeration for CVE-2022-33859

Affected software / configurations for CVE-2022-33859

References for CVE-2022-33859