Veeam Backup & Replication up to 12.3.2 Backup Server code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Veeam Backup & Replication. It has been rated as critical. This vulnerability affects unknown code of the component Backup Server. The manipulation leads to Remote Privilege Escalation. This vulnerability is referenced as CVE-2025-48984. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Veeam Backup & Replication. It has been rated as critical. This issue affects an unknown function of the component Backup Server. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user.

The weakness was published by Sina Kheirkhah and Piotr Bazydlo as kb4771. The advisory is shared at veeam.com. The identification of this vulnerability is CVE-2025-48984. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 270695 (Veeam Backup and Replication 12.x < 12.3.2.4165 Multiple Vulnerabilities (October 2025) (KB4771)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 12.3.2.3617 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (270695), EUVD (EUVD-2025-37232) and CERT Bund (WID-SEC-2025-2274). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Veeam Backup & Replication

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 270695
Nessus Name: Veeam Backup and Replication 12.x < 12.3.2.4165 Multiple Vulnerabilities (October 2025) (KB4771)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Backup & Replication 12.3.2.3617

Timelineinfo

10/14/2025 Advisory disclosed
10/14/2025 +0 days VulDB entry created
10/31/2025 +17 days VulDB entry last update

Sourcesinfo

Advisory: kb4771
Researcher: Sina Kheirkhah, Piotr Bazydlo
Status: Confirmed

CVE: CVE-2025-48984 (🔒)
GCVE (CVE): GCVE-0-2025-48984
GCVE (VulDB): GCVE-100-328265
EUVD: 🔒
CERT Bund: WID-SEC-2025-2274 - Veeam Backup &amp; Replication: Mehrere Schwachstellen

Entryinfo

Created: 10/14/2025 17:14
Updated: 10/31/2025 14:33
Changes: 10/14/2025 17:14 (54), 10/14/2025 17:50 (7), 10/18/2025 08:56 (2), 10/31/2025 02:04 (1), 10/31/2025 10:48 (1), 10/31/2025 14:33 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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