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Veeam Service Provider Console CVE-2026-32998

| EUVDEUVD-2026-32714 CRITICAL
Improper Handling of Parameters (CWE-233)
2026-05-28 hackerone GHSA-fj2r-48wp-hcm4
9.4
CVSS 4.0 · Vendor: hackerone
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privilege VSPC credentials
  2. Delivery
    Reach console over network
  3. Exploit
    Submit crafted parameter to vulnerable endpoint
  4. Execution
    Trigger improper parameter handling (CWE-233)
  5. Persist
    Execute arbitrary code on VSPC host
  6. Impact
    Pivot to managed tenant infrastructure

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V2 - Validation and Business Logic Parameter handling completeness
Exploitation Conditions

Exploitation requires network reachability to the Veeam Service Provider Console web/API interface and valid authentication at low privilege level (CVSS PR:L) - any legitimate console account, including limited tenant-operator roles typical in MSP deployments, appears sufficient. No user interaction (UI:N) and no additional attack requirements (AT:N) are needed once authenticated, and attack complexity is low (AC:L). Exploitation is limited to Service Provider Console versions 9 through 9.2; deployments fully isolated behind VPN/management-network ACLs and those with strictly controlled console account provisioning materially reduce the realistically reachable attacker population.

Impact

The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H) indicates network-reachable, low-complexity exploitation by an authenticated user with no user interaction, producing high impact on both the vulnerable system and adjacent (subsequent) systems - a strong signal given VSPC's role bridging providers and tenants. EPSS data was not provided in the input, so probabilistic exploitation likelihood cannot be quantified. The CVE is not in CISA KEV and no POC has been identified, so this is not currently confirmed as actively exploited; however, Veeam products have historically attracted ransomware operator interest, and the PR:L threshold is easily met in MSP environments where many tenant operators hold console accounts. Prioritize as a high-severity patching target despite the absence of in-the-wild signals.

Exploit ScenarioDerived

An attacker who has obtained or compromised any low-privileged Veeam Service Provider Console account - for example, a tenant operator credential phished from an MSP customer - authenticates to the console over the network and submits a crafted request containing malicious parameter values to a vulnerable endpoint, triggering arbitrary code execution on the VSPC host. Because the CVSS scope is changed (SC:H/SI:H/SA:H), the attacker can pivot from the management plane into managed tenant environments and the backup infrastructure those tenants rely on. No public exploit identified at time of analysis.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – May 28, 2026

Remote code execution in Veeam Service Provider Console versions 9.0 through 9.2 allows authenticated remote attackers to execute arbitrary code on the server, per the CVSS 4.0 vector requiring low privileges (PR:L) over the network. With a CVSS score of 9.4 and a scope change indicating impact beyond the vulnerable component (SC:H/SI:H/SA:H), successful exploitation could compromise managed downstream customer environments. No public exploit identified at time of analysis, and the CVE is not listed in CISA KEV.

RemediationAI

Apply the fixed version published in Veeam KB4853 (https://www.veeam.com/kb4853) - the input data confirms a vendor advisory exists, but an exact patched build number was not provided in the supplied intelligence, so retrieve the precise upgrade target directly from that KB. Until the patch can be deployed, restrict network access to the VSPC web console and API endpoints to trusted management networks only (firewall/ACL allowlisting), and audit and minimize the number of low-privilege console accounts to reduce the population of users who can satisfy the PR:L precondition; note that tightening access on a multi-tenant MSP console will affect legitimate tenant administrators and should be coordinated. Rotate credentials and review console audit logs for anomalous parameter values or unexpected administrative actions during the exposure window.

Affected VersionsENISA

Service Provider Console 9 ≤9.2

Affected Packages

euvd service_provider_console no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Veeam Service Provider Console (VSPC) is a multi-tenant management platform used by managed service providers to centrally administer Veeam backup deployments across customer tenants. The CPE string cpe:2.3:a:veeam:service_provider_console:*:*:*:*:*:*:*:* confirms the application-level scope. The assigned weakness CWE-233 (Improper Handling of Parameters) suggests the flaw stems from how the console processes input parameters - likely allowing attacker-controlled values to influence backend operations in a way that culminates in arbitrary code execution on the host. Given VSPC's architecture as a centralized orchestration plane, parameter-handling flaws on management endpoints are especially impactful because the console holds elevated trust relationships with managed agents.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (hackerone) PRIMARY 9.4 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

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

CVSS VectorVendor: hackerone

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
High
Subsequent system: Integrity
High
Subsequent system: Availability
High

Lifecycle Timeline

3
CVSS changed
May 28, 2026 - 05:22 NVD
9.4 (CRITICAL)
CVE Published
May 28, 2026 - 04:01 nvd
UNKNOWN (no severity yet)
CVE Published
May 28, 2026 - 04:01 nvd
CRITICAL 9.4

DescriptionCVE.org

This vulnerability in Veeam Service Provider Console allows for remote code execution.

Executive ViewAI

Why It Matters

Veeam Service Provider Console versions 9.0-9.2 contains a critical remote code execution vulnerability (CVSS 9.4) allowing authenticated users with low privileges to execute arbitrary code with potential to compromise the management console and all downstream customer environments it oversees. No public exploit identified at time of analysis. The absence of a vendor-released patch creates immediate operational risk for organizations dependent on this infrastructure.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Implement these interim controls: (1) Restrict console access to minimal set of authenticated administrators with multi-factor authentication; (2) Implement network-level access restrictions (firewall rules, WAF) limiting console access to internal administrative networks only; (3) Deploy real-time monitoring and alerting for anomalous authentication, privilege escalation, and code execution on affected systems; (4) Establish daily security log reviews for authentication and process execution events; (5) Request Veeam guidance on temporary configuration hardening measures.

Threat Intelligence Overview

EPSS Score
0.3%
Top 50% exploitable
Data Quality
6 sources
Confidence: High

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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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
Out-of-Cycle
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Very High
Technical Impact
Total

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +47
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

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