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Vulnerability record · CVE-2023-38549 · published 7 November 2023

CVE-2023-38549: Veeam one cross-site scripting vulnerability

Veeam · One

A vulnerability in Veeam ONE allows an unprivileged user who has access to the Veeam ONE Web Client the ability to acquire the NTLM hash of the account used by the Veeam ONE Reporting Service. Note: The criticality of this vulnerability is reduced as it requires interaction by a user with the Veeam ONE Administrator role.

5.4 CVSS 3.1 Medium EPSS 19% · top 2.8% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in Veeam ONE allows an unprivileged user who has access to the Veeam ONE Web Client the ability to acquire the NTLM hash of the account used by the Veeam ONE Reporting Service. Note: The criticality of this vulnerability is reduced as it requires interaction by a user with the Veeam ONE Administrator role.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.veeam.com/kb4508 PatchVendor Advisory
https://www.veeam.com/kb4508 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-38547Veeam one information exposure vulnerabilityA vulnerability in Veeam ONE allows an unauthenticated user to gain information about the SQL server connection Veeam ONE uses to access its configur…EPSS 19%9.8CVE-2020-10915Veeam ONE Agent unauthenticated .NET deserialization RCEVeeam ONE Agent 9.5.4.4587 fails to validate user-supplied data in the HandshakeResult method, allowing deserialization of untrusted data. Because th…EPSS 87%analysed9.8CVE-2020-10914Veeam ONE Agent unauthenticated .NET deserialization RCEVeeam ONE Agent 9.5.4.4587 fails to validate user-supplied data in the PerformHandshake method, allowing deserialization of untrusted data. Because t…EPSS 48%analysed8.8CVE-2024-42023Veeam one improper access control vulnerabilityAn improper access control vulnerability allows low-privileged users to execute code with Administrator privileges remotely.EPSS 0.47%8.8CVE-2024-42024Veeam one execution with unnecessary privileges vulnerabilityA vulnerability that allows an attacker in possession of the Veeam ONE Agent service account credentials to perform remote code execution on the mach…EPSS 1.3%8.0CVE-2024-42019Veeam one information exposure vulnerabilityA vulnerability that allows an attacker to access the NTLM hash of the Veeam Reporter Service service account. This attack requires user interaction …EPSS 0.54%6.5CVE-2024-42021Veeam one improper access control vulnerabilityAn improper access control vulnerability allows an attacker with valid access tokens to access saved credentials.EPSS 0.30%5.4CVE-2024-42020Veeam one cross-site scripting vulnerabilityA Cross-site-scripting (XSS) vulnerability exists in the Reporter Widgets that allows HTML injection.EPSS 0.41%

Source: NIST National Vulnerability Database (record CVE-2023-38549), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.