CVE-2023-31150 [High] | Security Vulnerability in Sel-2241 Rtac Module Firmware

A Storing Passwords in a Recoverable Format vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) database system could allow an authenticated attacker to retrieve passwords. See SEL Service Bulletin dated 2022-11-15 for more details.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.24%	0.47%	+0.23%
2	2026-06-06	0.26%	0.24%	-0.02%
3	2026-05-12	—	0.26%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.24%

0.47%

+0.23%

2026-06-06

0.26%

0.24%

-0.02%

2026-05-12

—

0.26%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.0	3.1	HIGH	`CVSS:3.1/AV:N/AC:H/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:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. 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.	1.3	6.0	[email protected]
6.5	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N` 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: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:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	2.8	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.0

3.1

HIGH

CVSS:3.1/AV:N/AC:H/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:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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.

1.3

6.0

[email protected]

6.5

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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: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:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

2.8

3.6

[email protected]

Affected software / configurations for CVE-2023-31150

Vendor	Product	Version	Raw CPE
selinc	sel-2241_rtac_module_firmware	>= r122-v0, < r150-v2	cpe:2.3:o:selinc:sel-2241_rtac_module_firmware::::::::
selinc	sel-3350_firmware	>= r148-v0, < r150-v2	cpe:2.3:o:selinc:sel-3350_firmware::::::::
selinc	sel-3505_firmware	>= r122-v0, < r150-v2	cpe:2.3:o:selinc:sel-3505_firmware::::::::
selinc	sel-3505-3_firmware	>= r132-v0, < r150-v2	cpe:2.3:o:selinc:sel-3505-3_firmware::::::::
selinc	sel-3530_firmware	>= r122-v0, < r150-v2	cpe:2.3:o:selinc:sel-3530_firmware::::::::
selinc	sel-3530-4_firmware	>= r122-v0, < r150-v2	cpe:2.3:o:selinc:sel-3530-4_firmware::::::::
selinc	sel-3532_firmware	>= r132-v0, < r150-v2	cpe:2.3:o:selinc:sel-3532_firmware::::::::
selinc	sel-3555_firmware	>= r134-v0, < r150-v2	cpe:2.3:o:selinc:sel-3555_firmware::::::::
selinc	sel-3560e_firmware	>= r144-v2, < r150-v2	cpe:2.3:o:selinc:sel-3560e_firmware::::::::
selinc	sel-3560s_firmware	>= r144-v2, < r150-v2	cpe:2.3:o:selinc:sel-3560s_firmware::::::::

References for CVE-2023-31150

URL	Tags
https://selinc.com/support/security-notifications/external-reports/	Vendor Advisory
https://www.nozominetworks.com/blog/	Third Party Advisory

URL

CVE-2023-31150 | Storing Passwords in a Recoverable Format

Exploit prediction scoring system (EPSS) score for CVE-2023-31150

Common vulnerability scoring system (CVSS) metrics for CVE-2023-31150

Weakness enumeration for CVE-2023-31150

Affected software / configurations for CVE-2023-31150

References for CVE-2023-31150