How severe is CVE-2023-37373?

CVE-2023-37373 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-37373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37373?

CVE-2023-37373 affects Siemens Ruggedcom Crossbow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37373?

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

When was CVE-2023-37373 published?

CVE-2023-37373 was published on 2023-08-08 and last updated on 2026-06-17.

CVE-2023-37373

CVE-2023-37373 is a medium-severity vulnerability in Siemens Ruggedcom Crossbow with a CVSS 3.x base score of 5.3. 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: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Siemens Ruggedcom Crossbow
Published: 2023-08-08
Last modified: 2026-06-17

Description

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.4). The affected applications accept unauthenticated file write messages. An unauthenticated remote attacker could write arbitrary files to the affected application's file system.

Frequently asked questions

What is CVE-2023-37373?: A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.4). The affected applications accept unauthenticated file write messages. An unauthenticated remote attacker could write arbitrary files to the affected application's file system.
How severe is CVE-2023-37373?: CVE-2023-37373 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-37373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37373?: CVE-2023-37373 affects Siemens Ruggedcom Crossbow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-37373 published?: CVE-2023-37373 was published on 2023-08-08 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-472630.pdf

Affected products (1)

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

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