MEDIUM
CVE-2023-31151
CWE-295Published: May 10, 2023· Updated: Jun 17, 2026
4.2
CVSS v3.1
Official 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.
Technical Analysis
CVE-2023-31151 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected Vendors & Products
selinc20 product(s)
sel-2241 rtac module firmwaresel-2241 rtac modulesel-3350 firmwaresel-3350sel-3505 firmwaresel-3505sel-3505-3 firmwaresel-3505-3sel-3530 firmwaresel-3530sel-3530-4 firmwaresel-3530-4+8
Source: NVD CPE · 20 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://www.nozominetworks.com/blog/Third Party Advisory
→
https://www.nozominetworks.com/blog/Third Party Advisory
Quick Facts
CVE IDCVE-2023-31151
CVSS Score4.2 / 10
SeverityMEDIUM
WeaknessCWE-295
CISA KEVNo
Affected1 vendor(s)
PublishedMay 10, 2023
Related CVEs (CWE-295)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-31151 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.