HOMEVULNERABILITIESCVE-2023-31161
HIGH

CVE-2023-31161

CWE-20Published: May 10, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

An Improper Input Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface could allow an authenticated remote attacker to use internal resources, allowing a variety of potential effects.

See SEL Service Bulletin dated 2022-11-15 for more details.

NVD Source

Technical Analysis

CVE-2023-31161 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

selinc10 product(s)
sel-3350 firmwaresel-3350sel-3532 firmwaresel-3532sel-3555 firmwaresel-3555sel-3560e firmwaresel-3560esel-3560s firmwaresel-3560s
Source: NVD CPE · 10 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

ADVISORYhttps://selinc.com/support/security-notifications/external-reports/
ADVISORYhttps://www.nozominetworks.com/blog/
ADVISORYhttps://selinc.com/support/security-notifications/external-reports/
ADVISORYhttps://www.nozominetworks.com/blog/

All References (4)

→
https://selinc.com/support/security-notifications/external-reports/Vendor Advisory
→
https://www.nozominetworks.com/blog/Third Party Advisory
→
https://selinc.com/support/security-notifications/external-reports/Vendor Advisory
→
https://www.nozominetworks.com/blog/Third Party Advisory

Quick Facts

CVE IDCVE-2023-31161
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedMay 10, 2023

Related CVEs (CWE-20)

CVE-2011-0485
10.0
CVE-2011-0478
10.0
CVE-2010-3186
10.0
CVE-2010-3491
10.0
CVE-2011-0471
10.0
CVE-2010-4727
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-31161 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.
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