SolarWinds Serv-U up to 15.4 File Share input validation

EntryHistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

A vulnerability was found in SolarWinds Serv-U up to 15.4 (File Transfer Software). It has been classified as critical. Affected is an unknown functionality of the component File Share Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified within Serv-U 15.4 that allows an authenticated actor to insert content on the file share function feature of Serv-U, which could be used maliciously.

The weakness was presented 12/06/2023 by Igor Souza. The advisory is available at documentation.solarwinds.com. This vulnerability is traded as CVE-2023-40053 since 08/08/2023. The technical details are unknown and an exploit is not available.

Upgrading to version 15.4.1 eliminates this vulnerability. The upgrade is hosted for download at documentation.solarwinds.com.

Productinfo

Type

File Transfer Software

Vendor

SolarWinds

Name

Serv-U

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.0
NVD Vector: 🔒

CNA Base Score: 4.6
CNA Vector (SolarWinds): 🔒

CVSSv2info

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Serv-U 15.4.1

Timelineinfo

08/08/2023 CVE reserved
12/06/2023 +120 days Advisory disclosed
12/06/2023 +0 days VulDB entry created
12/24/2023 +18 days VulDB entry last update

Sourcesinfo

Vendor: solarwinds.com

Advisory: documentation.solarwinds.com
Researcher: Igor Souza
Status: Confirmed

CVE: CVE-2023-40053 (🔒)

Entryinfo

Created: 12/06/2023 08:07
Updated: 12/24/2023 16:48
Changes: 12/06/2023 08:07 (53), 12/24/2023 16:48 (11)
Complete: 🔍