What is the CVSS score of CVE-2024-40715?

CVE-2024-40715 has a CVSS 3.0 base score of 7.7 (High). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L. EPSS exploitation probability: 0.6%.

Veeam CVE-2024-40715

HIGH

Authentication Bypass by Capture-replay (CWE-294)

2024-11-07 support@hackerone.com

Authentication Bypass Veeam Backup Replication Veeam

7.7

CVSS 3.0 · Vendor: hackerone

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Vulnerability Assessment

Weakness	CWE CWE-294 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Replay attack prevention
Impact	CVSS score of 7.7 (HIGH). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

A vulnerability in Veeam Backup & Replication Enterprise Manager has been identified, which allows attackers to perform authentication bypass. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-294. A vulnerability in Veeam Backup & Replication Enterprise Manager has been identified, which allows attackers to perform authentication bypass. Attackers must be able to perform Man-in-the-Middle (MITM) attack to exploit this vulnerability. Affected products include: Veeam Veeam Backup \& Replication.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (hackerone) PRIMARY 7.7 HIGH

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Primary rating from Vendor (hackerone) · only source for this CVE.

CVSS VectorVendor: hackerone

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

DescriptionCVE.org

A vulnerability in Veeam Backup & Replication Enterprise Manager has been identified, which allows attackers to perform authentication bypass. Attackers must be able to perform Man-in-the-Middle (MITM) attack to exploit this vulnerability.

Threat Intelligence Overview

EPSS Score

0.6%

Top 55% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://www.veeam.com/kb4682

Search Externally

GitHub PoC

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