How severe is CVE-2023-5642?

CVE-2023-5642 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-2023-5642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5642?

CVE-2023-5642 affects Advantech R-seenet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5642?

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-2023-5642 published?

CVE-2023-5642 was published on 2023-10-18 and last updated on 2026-06-17.

CVE-2023-5642

CVE-2023-5642 is a critical-severity vulnerability in Advantech R-seenet with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Advantech R-seenet
Published: 2023-10-18
Last modified: 2026-06-17

Description

Advantech R-SeeNet v2.4.23 allows an unauthenticated remote attacker to read from and write to the snmpmon.ini file, which contains sensitive information.

Frequently asked questions

What is CVE-2023-5642?: Advantech R-SeeNet v2.4.23 allows an unauthenticated remote attacker to read from and write to the snmpmon.ini file, which contains sensitive information.
How severe is CVE-2023-5642?: CVE-2023-5642 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-2023-5642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5642?: CVE-2023-5642 affects Advantech R-seenet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5642?: 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-2023-5642 published?: CVE-2023-5642 was published on 2023-10-18 and last updated on 2026-06-17.

References

https://tenable.com/security/research/tra-2023-33

Affected products (1)

cpe:2.3:a:advantech:r-seenet:2.4.23:*:*:*:*:*:*:*

More vulnerabilities in Advantech R-seenet

CVE-2023-2611 — Critical (CVSS 9.8): Advantech R-SeeNet versions 2.4.22 is installed with a hidden root-level user that is not available in the users…
CVE-2022-3386 — Critical (CVSS 9.8): Advantech R-SeeNet Versions 2.4.17 and prior are vulnerable to a stack-based buffer overflow. An unauthorized attacker…
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CVE-2021-21805 — Critical (CVSS 9.8): An OS Command Injection vulnerability exists in the ping.php script functionality of Advantech R-SeeNet v 2.4.12…
CVE-2021-21804 — Critical (CVSS 9.8): A local file inclusion (LFI) vulnerability exists in the options.php script functionality of Advantech R-SeeNet v…
CVE-2023-3256 — High (CVSS 8.8): Advantech R-SeeNet versions 2.4.22 allows low-level users to access and load the content of local files.

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