CVE-2023-31151

Improper Certificate Validation

View on CVE.org

Published May 10, 2023 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed

Description

An Improper Certificate Validation vulnerability

in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface

could allow a remote unauthenticated attacker to conduct a man-in-the-middle (MitM) attack.
See SEL Service Bulletin dated 2022-11-15 for more details.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Schweitzer Engineering Laboratories

SEL-3505

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3505-3

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3530

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3530-4

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3532

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3555

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3560S

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3560E

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-2241 RTAC module

unaffected

Version	Status	Constraints
`R147-V0`	affected	< R150-V2
`R147-V0`	affected	< R149-V4
`R147-V0`	affected	< R148-V7
`R147-V0`	affected	< R147-V6

Schweitzer Engineering Laboratories

SEL-3350

unaffected

Version	Status	Constraints
`R148-V0`	affected	< R150-V2
`R148-V0`	affected	< R149-V4
`R148-V0`	affected	< R148-V7

Configuration 1 [-]

AND

cpe:2.3:o:selinc:sel-2241_rtac_module_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-2241_rtac_module:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:selinc:sel-3350_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3350:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:selinc:sel-3505_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3505:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND

cpe:2.3:o:selinc:sel-3505-3_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3505-3:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND

cpe:2.3:o:selinc:sel-3530_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3530:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND

cpe:2.3:o:selinc:sel-3530-4_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3530-4:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND

cpe:2.3:o:selinc:sel-3532_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3532:-:*:*:*:*:*:*:*

Configuration 8 [-]

AND

cpe:2.3:o:selinc:sel-3555_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3555:-:*:*:*:*:*:*:*

Configuration 9 [-]

AND

cpe:2.3:o:selinc:sel-3560e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3560e:-:*:*:*:*:*:*:*

Configuration 10 [-]

AND

cpe:2.3:o:selinc:sel-3560s_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:selinc:sel-3560s:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-35467	An Improper Certificate Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface could allow a remote unauthenticated attacker to conduct a man-in-the-middle (MitM) attack. See SEL Service Bulletin dated 2022-11-15 for more details.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.246% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://selinc.com/support/security-notifications/external-reports/
https://www.nozominetworks.com/blog/

History

Jan 24, 2025 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Selinc Sel-2241 Rtac Module Sel-2241 Rtac Module Firmware Sel-3350 Sel-3350 Firmware Sel-3505 Sel-3505-3 Sel-3505-3 Firmware Sel-3505 Firmware Sel-3530 Sel-3530-4 Sel-3530-4 Firmware Sel-3530 Firmware Sel-3532 Sel-3532 Firmware Sel-3555 Sel-3555 Firmware Sel-3560e Sel-3560e Firmware Sel-3560s Sel-3560s Firmware

Weaknesses

CWE-295

Sources

CVE record Updated: Jan 24, 2025, 7:04 PM

Status: PUBLISHED
Assigner: SEL
Published: May 10, 2023, 7:21 PM
Updated: Jan 24, 2025, 7:04 PM
Reserved: Apr 24, 2023, 11:19 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 2:45 PM

Updated: Aug 2, 2024, 2:45 PM

NVD Updated: Jun 17, 2026, 5:56 AM

Status: Modified
Published: May 10, 2023, 8:15 PM
Modified: Jun 17, 2026, 5:56 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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