SolarWinds Serv-U escape output

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability was found in SolarWinds Serv-U. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation results in escape output. This vulnerability is reported as CVE-2025-40547. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in SolarWinds Serv-U (version now known). It has been classified as critical. Affected is some unknown processing. The manipulation with an unknown input leads to a escape output vulnerability. CWE is classifying the issue as CWE-116. The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A logic error vulnerability exists in Serv-U which when abused could give a malicious actor with access to admin privileges the ability to execute code. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.

The advisory is shared for download at solarwinds.com. This vulnerability is traded as CVE-2025-40547 since 04/16/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/18/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-197930) and CERT Bund (WID-SEC-2025-2618). Once again VulDB remains the best source for vulnerability data.

Affected

  • SolarWinds Serv-U

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.2
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector (SolarWinds): 🔒

CVSSv2info

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

Exploitinginfo

Class: Escape output
CWE: CWE-116 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
11/18/2025 +216 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
11/18/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: solarwinds.com

Advisory: solarwinds.com
Status: Confirmed

CVE: CVE-2025-40547 (🔒)
GCVE (CVE): GCVE-0-2025-40547
GCVE (VulDB): GCVE-100-332772
EUVD: 🔒
CERT Bund: WID-SEC-2025-2618 - SolarWinds Serv-U: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten

Entryinfo

Created: 11/18/2025 10:09
Updated: 11/18/2025 20:43
Changes: 11/18/2025 10:09 (60), 11/18/2025 11:31 (1), 11/18/2025 20:43 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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