How severe is CVE-2023-2611?

CVE-2023-2611 has a CVSS 3.x base score of 9.8, 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-2023-2611 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2611?

CVE-2023-2611 affects Advantech R-seenet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2611?

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-2023-2611 published?

CVE-2023-2611 was published on 2023-06-22 and last updated on 2026-06-17.

CVE-2023-2611

CVE-2023-2611 is a critical-severity vulnerability in Advantech R-seenet with a CVSS 3.x base score of 9.8. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Advantech R-seenet
Published: 2023-06-22
Last modified: 2026-06-17

Description

Advantech R-SeeNet versions 2.4.22 is installed with a hidden root-level user that is not available in the users list. This hidden user has a password that cannot be changed by users.

Frequently asked questions

What is CVE-2023-2611?: Advantech R-SeeNet versions 2.4.22 is installed with a hidden root-level user that is not available in the users list. This hidden user has a password that cannot be changed by users.
How severe is CVE-2023-2611?: CVE-2023-2611 has a CVSS 3.x base score of 9.8, 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-2023-2611 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2611?: CVE-2023-2611 affects Advantech R-seenet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2611?: 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-2023-2611 published?: CVE-2023-2611 was published on 2023-06-22 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-173-02

Affected products (1)

cpe:2.3:a:advantech:r-seenet:*:*:*:*:*:*:*:*

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