How severe is CVE-2023-31161?

CVE-2023-31161 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-31161 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31161?

CVE-2023-31161 primarily affects Selinc Sel-3350 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-31161?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-31161 published?

CVE-2023-31161 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2023-31161

CVE-2023-31161 is a medium-severity vulnerability in Selinc Sel-3350 Firmware with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Selinc Sel-3350 Firmware
Published: 2023-05-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-31161?: 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.
How severe is CVE-2023-31161?: CVE-2023-31161 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-31161 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31161?: CVE-2023-31161 primarily affects Selinc Sel-3350 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-31161?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-31161 published?: CVE-2023-31161 was published on 2023-05-10 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:selinc:sel-3350_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:selinc:sel-3532_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:selinc:sel-3555_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:selinc:sel-3560e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:selinc:sel-3560s_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Selinc Sel-3350 Firmware

CVE-2023-31149 — Critical (CVSS 9.1): An Improper Input Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller…
CVE-2023-31148 — Critical (CVSS 9.1): An Improper Input Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller…
CVE-2023-31150 — High (CVSS 8.0): A Storing Passwords in a Recoverable Format vulnerability in the Schweitzer Engineering Laboratories Real-Time…
CVE-2023-2310 — Medium (CVSS 6.8): A Channel Accessible by Non-Endpoint vulnerability in the Schweitzer Engineering Laboratories SEL Real-Time Automation…
CVE-2023-31162 — Medium (CVSS 4.8): An Improper Input Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller…
CVE-2023-31151 — Medium (CVSS 4.7): An Improper Certificate Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation…

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