How severe is CVE-2023-28078?

CVE-2023-28078 has a CVSS 3.x base score of 9.1, 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 none, and availability high.

Is CVE-2023-28078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28078?

CVE-2023-28078 primarily affects Dell Smartfabric Os10. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-28078?

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-2023-28078 have an EU (EUVD) identifier?

Yes. CVE-2023-28078 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31803.

When was CVE-2023-28078 published?

CVE-2023-28078 was published on 2024-02-15 and last updated on 2026-06-17.

CVE-2023-28078

CVE-2023-28078 is a critical-severity vulnerability in Dell Smartfabric Os10 with a CVSS 3.x base score of 9.1. 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-923.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-31803
Weakness: CWE-923
Affected product: Dell Smartfabric Os10
Published: 2024-02-15
Last modified: 2026-06-17

Description

Dell OS10 Networking Switches running 10.5.2.x and above contain a vulnerability with zeroMQ when VLT is configured. A remote unauthenticated attacker could potentially exploit this vulnerability leading to information disclosure and a possible Denial of Service when a huge number of requests are sent to the switch. This is a high severity vulnerability as it allows an attacker to view sensitive data. Dell recommends customers to upgrade at the earliest opportunity.

Frequently asked questions

What is CVE-2023-28078?: Dell OS10 Networking Switches running 10.5.2.x and above contain a vulnerability with zeroMQ when VLT is configured. A remote unauthenticated attacker could potentially exploit this vulnerability leading to information disclosure and a possible Denial of Service when a huge number of requests are sent to the switch. This is a high severity vulnerability as it allows an attacker to view sensitive data. Dell recommends customers to upgrade at the earliest opportunity.
How severe is CVE-2023-28078?: CVE-2023-28078 has a CVSS 3.x base score of 9.1, 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 none, and availability high.
Is CVE-2023-28078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28078?: CVE-2023-28078 primarily affects Dell Smartfabric Os10. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-28078?: 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-2023-28078 have an EU (EUVD) identifier?: Yes. CVE-2023-28078 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31803.
When was CVE-2023-28078 published?: CVE-2023-28078 was published on 2024-02-15 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000216584/dsa-2023-124-security-update-for-dell-smartfabric-os10-multiple-vulnerabilities

Affected products (5)

cpe:2.3:o:dell:smartfabric_os10:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:smartfabric_os10:10.5.5.0:*:*:*:*:*:*:*
cpe:2.3:o:dell:smartfabric_os10:10.5.5.1:*:*:*:*:*:*:*
cpe:2.3:o:dell:smartfabric_os10:10.5.5.2:*:*:*:*:*:*:*
cpe:2.3:o:dell:smartfabric_os10:10.5.5.3:*:*:*:*:*:*:*

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