How severe is CVE-2023-28055?

CVE-2023-28055 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-28055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28055?

CVE-2023-28055 primarily affects Dell Networker. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-28055?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-28055 published?

CVE-2023-28055 was published on 2023-09-27 and last updated on 2026-06-17.

CVE-2023-28055

CVE-2023-28055 is a high-severity vulnerability in Dell Networker with a CVSS 3.x base score of 8.8. 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-285.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Dell Networker
Published: 2023-09-27
Last modified: 2026-06-17

Description

Dell NetWorker, Version 19.7 has an improper authorization vulnerability in the NetWorker client. An unauthenticated attacker within the same network could potentially exploit this by manipulating a command leading to gain of complete access to the server file further resulting in information leaks, denial of service, and arbitrary code execution. Dell recommends customers to upgrade at the earliest opportunity.

Frequently asked questions

What is CVE-2023-28055?: Dell NetWorker, Version 19.7 has an improper authorization vulnerability in the NetWorker client. An unauthenticated attacker within the same network could potentially exploit this by manipulating a command leading to gain of complete access to the server file further resulting in information leaks, denial of service, and arbitrary code execution. Dell recommends customers to upgrade at the earliest opportunity.
How severe is CVE-2023-28055?: CVE-2023-28055 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-28055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28055?: CVE-2023-28055 primarily affects Dell Networker. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-28055?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-28055 published?: CVE-2023-28055 was published on 2023-09-27 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000218003/dsa-2023-294-security-update-for-dell-networker-nw-client-vulnerabilities

Affected products (2)

cpe:2.3:a:dell:networker:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:networker:19.7.1:*:*:*:*:*:*:*

More vulnerabilities in Dell Networker

CVE-2023-25539 — High (CVSS 8.4): Dell NetWorker 19.6.1.2, contains an OS command injection Vulnerability in the NetWorker client. A remote…
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CVE-2024-22432 — High (CVSS 7.8): Networker 19.9 and all prior versions contains a Plain-text Password stored in temporary config file during backup…
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Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

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