CVE-2023-31152

Authentication Bypass Using an Alternate Path or Channel

HIGH
8.8
CVSS Score
Published: May 10, 2023 at 07:21 PM UTC
Updated: June 17, 2026 at 05:56 AM UTC
30 products affected across 2 vendorsSel 3532 FirmwareSel 3555 FirmwareSel 3560S Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

An Authentication Bypass Using an Alternate Path or Channel vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface allows Authentication Bypass. See SEL Service Bulletin dated 2022-11-15 for more details.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-2241-rtac-module (same device)
r148-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3350 (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3505-3 (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3505 (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3530-4 (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3530 (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3532 (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3555 (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3560e (same device)
r147-v0 ≤ v < r150-v2
Affected range stops below r150-v2, so it looks safe — our inference, not a vendor statement
selinc-sel-3560s (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-288CWE-287

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