How severe is CVE-2023-40151?

CVE-2023-40151 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-40151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40151?

CVE-2023-40151 primarily affects Redlioncontrols St-ipm-6350 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-40151?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-40151 published?

CVE-2023-40151 was published on 2023-11-21 and last updated on 2026-06-17.

CVE-2023-40151

CVE-2023-40151 is a critical-severity vulnerability in Redlioncontrols St-ipm-6350 Firmware with a CVSS 3.x base score of 10.0. 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-749.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-749
Affected product: Redlioncontrols St-ipm-6350 Firmware
Published: 2023-11-21
Last modified: 2026-06-17

Description

When user authentication is not enabled the shell can execute commands with the highest privileges. Red Lion SixTRAK and VersaTRAK Series RTUs with authenticated users enabled (UDR-A) any Sixnet UDR message will meet an authentication challenge over UDP/IP. When the same message comes over TCP/IP the RTU will simply accept the message with no authentication challenge.

Frequently asked questions

What is CVE-2023-40151?: When user authentication is not enabled the shell can execute commands with the highest privileges. Red Lion SixTRAK and VersaTRAK Series RTUs with authenticated users enabled (UDR-A) any Sixnet UDR message will meet an authentication challenge over UDP/IP. When the same message comes over TCP/IP the RTU will simply accept the message with no authentication challenge.
How severe is CVE-2023-40151?: CVE-2023-40151 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-40151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40151?: CVE-2023-40151 primarily affects Redlioncontrols St-ipm-6350 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-40151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-40151 published?: CVE-2023-40151 was published on 2023-11-21 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:redlioncontrols:st-ipm-6350_firmware:4.9.114:*:*:*:*:*:*:*
cpe:2.3:o:redlioncontrols:st-ipm-8460_firmware:6.0.202:*:*:*:*:*:*:*
cpe:2.3:o:redlioncontrols:vt-mipm-135-d_firmware:4.9.114:*:*:*:*:*:*:*
cpe:2.3:o:redlioncontrols:vt-mipm-245-d_firmware:4.9.114:*:*:*:*:*:*:*
cpe:2.3:o:redlioncontrols:vt-ipm2m-213-d_firmware:4.9.114:*:*:*:*:*:*:*
cpe:2.3:o:redlioncontrols:vt-ipm2m-113-d_firmware:4.9.114:*:*:*:*:*:*:*

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