How severe is CVE-2023-42770?

CVE-2023-42770 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-2023-42770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42770?

CVE-2023-42770 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-2023-42770?

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-2023-42770 published?

CVE-2023-42770 was published on 2023-11-21 and last updated on 2026-06-17.

CVE-2023-42770

CVE-2023-42770 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Redlioncontrols St-ipm-6350 Firmware
Published: 2023-11-21
Last modified: 2026-06-17

Description

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 is received over TCP/IP the RTU will simply accept the message with no authentication challenge.

Frequently asked questions

What is CVE-2023-42770?: 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 is received over TCP/IP the RTU will simply accept the message with no authentication challenge.
How severe is CVE-2023-42770?: CVE-2023-42770 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-2023-42770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42770?: CVE-2023-42770 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-2023-42770?: 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-2023-42770 published?: CVE-2023-42770 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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