How severe is CVE-2024-27939?

CVE-2024-27939 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-2024-27939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27939?

CVE-2024-27939 affects Siemens Ruggedcom Crossbow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27939?

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.

Does CVE-2024-27939 have an EU (EUVD) identifier?

Yes. CVE-2024-27939 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25113.

When was CVE-2024-27939 published?

CVE-2024-27939 was published on 2024-05-14 and last updated on 2026-06-17.

CVE-2024-27939

CVE-2024-27939 is a critical-severity vulnerability in Siemens Ruggedcom Crossbow 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-25113
Weakness: CWE-862
Affected product: Siemens Ruggedcom Crossbow
Published: 2024-05-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.5). The affected systems allow the upload of arbitrary files of any unauthenticated user. An attacker could leverage this vulnerability and achieve arbitrary code execution with system privileges.

Frequently asked questions

What is CVE-2024-27939?: A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.5). The affected systems allow the upload of arbitrary files of any unauthenticated user. An attacker could leverage this vulnerability and achieve arbitrary code execution with system privileges.
How severe is CVE-2024-27939?: CVE-2024-27939 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-2024-27939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27939?: CVE-2024-27939 affects Siemens Ruggedcom Crossbow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27939?: 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.
Does CVE-2024-27939 have an EU (EUVD) identifier?: Yes. CVE-2024-27939 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25113.
When was CVE-2024-27939 published?: CVE-2024-27939 was published on 2024-05-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-916916.html

Affected products (1)

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

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