Cyber Resilience

CVE-2023-31152

Medium

Published: 10 May 2023

Published
10 May 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0024 47.1th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-31152 is a medium-severity Authentication Bypass Using an Alternate Path or Channel (CWE-288) vulnerability in Selinc Sel-2241 Rtac Module Firmware. Its CVSS base score is 4.0 (Medium).

Operationally, ranked at the 47.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

selinc
sel-2241 rtac module firmware
r147-v0 — r150-v2
selinc
sel-3350 firmware
r148-v0 — r150-v2
selinc
sel-3505 firmware
r147-v0 — r150-v2
selinc
sel-3505-3 firmware
r147-v0 — r150-v2
selinc
sel-3530 firmware
r147-v0 — r150-v2
selinc
sel-3530-4 firmware
r147-v0 — r150-v2
selinc
sel-3532 firmware
r147-v0 — r150-v2
selinc
sel-3555 firmware
r147-v0 — r150-v2
selinc
sel-3560e firmware
r147-v0 — r150-v2
selinc
sel-3560s firmware
r147-v0 — r150-v2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-287 CWE-288

Detects unauthorized successful logons resulting from improper authentication implementations.

addresses: CWE-287 CWE-288

Requires adaptive authentication under specific conditions, directly strengthening authentication mechanisms against improper or insufficient authentication.

addresses: CWE-287 CWE-288

Identity providers centralize and enforce authentication mechanisms, reducing improper authentication.

addresses: CWE-287 CWE-288

Mandates unique identification and authentication of non-organizational users, directly mitigating improper authentication.

addresses: CWE-288

Authorizing remote access reduces the ability to bypass authentication via unauthorized alternate remote channels.

addresses: CWE-287

Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.

addresses: CWE-287

Security awareness training instructs users on secure authentication practices and avoiding credential compromise.

addresses: CWE-287

Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.

References