CVE-2023-31151

moderate-risk
Published 2023-05-10

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.

Do I need to act?

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0.18% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
NETWORK / HIGH complexity

Affected Products (10)

Sel-2241 Rtac Module Firmware
Sel-3505 Firmware
Sel-3505-3 Firmware
Sel-3530 Firmware
Sel-3530-4 Firmware

Affected Vendors

Selinc

References (4)

Vendor Advisory https://selinc.com/support/security-notifications/external-reports/
Third Party Advisory https://www.nozominetworks.com/blog/
Vendor Advisory https://selinc.com/support/security-notifications/external-reports/
Third Party Advisory https://www.nozominetworks.com/blog/
32
/ 100
moderate-risk
Severity 15/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 16/34 · Moderate