How severe is CVE-2023-27309?

CVE-2023-27309 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-27309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27309?

CVE-2023-27309 affects Siemens Ruggedcom Crossbow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27309?

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

When was CVE-2023-27309 published?

CVE-2023-27309 was published on 2023-03-14 and last updated on 2026-06-17.

CVE-2023-27309

CVE-2023-27309 is a medium-severity vulnerability in Siemens Ruggedcom Crossbow with a CVSS 3.x base score of 5.0. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Siemens Ruggedcom Crossbow
Published: 2023-03-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.2). The client query handler of the affected application fails to check for proper permissions for specific write queries. This could allow an authenticated remote attacker to perform unauthorized actions.

Frequently asked questions

What is CVE-2023-27309?: A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.2). The client query handler of the affected application fails to check for proper permissions for specific write queries. This could allow an authenticated remote attacker to perform unauthorized actions.
How severe is CVE-2023-27309?: CVE-2023-27309 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-27309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27309?: CVE-2023-27309 affects Siemens Ruggedcom Crossbow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27309 published?: CVE-2023-27309 was published on 2023-03-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-260625.pdf

Affected products (1)

cpe:2.3:a:siemens:ruggedcom_crossbow:*:*:*:*:*:*:*:*

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