How severe is CVE-2023-40055?

CVE-2023-40055 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-40055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40055?

CVE-2023-40055 affects Solarwinds Network Configuration Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40055?

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-2023-40055 published?

CVE-2023-40055 was published on 2023-11-09 and last updated on 2026-06-17.

CVE-2023-40055

CVE-2023-40055 is a high-severity vulnerability in Solarwinds Network Configuration Manager with a CVSS 3.x base score of 8.0. 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Solarwinds Network Configuration Manager
Published: 2023-11-09
Last modified: 2026-06-17

Description

The Network Configuration Manager was susceptible to a Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows a low-level user to perform the actions with SYSTEM privileges. We found this issue was not resolved in CVE-2023-33227

Frequently asked questions

What is CVE-2023-40055?: The Network Configuration Manager was susceptible to a Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows a low-level user to perform the actions with SYSTEM privileges. We found this issue was not resolved in CVE-2023-33227
How severe is CVE-2023-40055?: CVE-2023-40055 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-40055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40055?: CVE-2023-40055 affects Solarwinds Network Configuration Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40055?: 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-2023-40055 published?: CVE-2023-40055 was published on 2023-11-09 and last updated on 2026-06-17.

References

https://www.solarwinds.com/trust-center/security-advisories/CVE-2023-40055

Affected products (1)

cpe:2.3:a:solarwinds:network_configuration_manager:*:*:*:*:*:*:*:*

More vulnerabilities in Solarwinds Network Configuration Manager

CVE-2023-40054 — High (CVSS 8.0): The Network Configuration Manager was susceptible to a Directory Traversal Remote Code Execution Vulnerability. This…
CVE-2023-33227 — High (CVSS 8.0): The Network Configuration Manager was susceptible to a Directory Traversal Remote Code Execution Vulnerability This…
CVE-2023-33226 — High (CVSS 8.0): The Network Configuration Manager was susceptible to a Directory Traversal Remote Code Execution Vulnerability. This…
CVE-2014-3459 — Medium (CVSS 6.8): Heap-based buffer overflow in SolarWinds Network Configuration Manager (NCM) before 7.3 allows remote attackers to…
CVE-2021-35226 — Medium (CVSS 6.5): An entity in Network Configuration Manager product is misconfigured and exposing password field to Solarwinds…
CVE-2023-33228 — Medium (CVSS 4.5): The SolarWinds Network Configuration Manager was susceptible to the Exposure of Sensitive Information Vulnerability.…

All CVEs affecting Solarwinds Network Configuration Manager →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →