CVE-2024-42019Network attack vector

Service account NTLM hash disclosure

Published Sep 7, 2024 · Updated Sep 9, 2024

Information disclosure in Veeam ONE 12.1.0.3208 and earlier allows remote authenticated users to obtain the Reporter service account's NTLM hash. Veeam has not disclosed which Reporter component operation exposes the hash or how crafted input reaches it. Exploitation requires low-privileged access, user interaction, and data collected from a connected Veeam Backup & Replication server.

CVSS severity8.0
High
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Veeam ONE 12.1.0.3208 and earlier allows remote authenticated users to obtain the Reporter service account's NTLM hash. Veeam has not disclosed which Reporter component operation exposes the hash or how crafted input reaches it. Exploitation requires low-privileged access, user interaction, and data collected from a connected Veeam Backup & Replication server.

The record

CVE
CVE-2024-42019
Published
Sep 7, 2024
Updated
Sep 9, 2024
Vendor
Veeam Software
Product
Veeam ONE
Classifications
CWE-200, T1187
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 7, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.1 <=12.1
  2. Affected versionversion=12 <=12.1.0.3208

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Veeam Software · Veeam ONEversion=12.1 <=12.1; version=12 <=12.1.0.3208

Published CVSS scores

9.0HackerOneCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
8.0NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1187Forced Authentication

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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