VDB-231714 · CVE-2023-23841 · EUVD-2023-27927

SolarWinds Serv-U up to 15.3.2 HTTP Request cleartext transmission

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in SolarWinds Serv-U up to 15.3.2. Affected is an unknown function of the component HTTP Request Handler. The manipulation results in cleartext transmission. This vulnerability is cataloged as CVE-2023-23841. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in SolarWinds Serv-U up to 15.3.2 (File Transfer Software). Affected is an unknown function of the component HTTP Request Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. CWE is classifying the issue as CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. This is going to have an impact on confidentiality. CVE summarizes:

SolarWinds Serv-U is submitting an HTTP request when changing or updating the attributes for File Share or File request.  Part of the URL of the request discloses sensitive data.

The weakness was shared 06/16/2023. The advisory is available at solarwinds.com. This vulnerability is traded as CVE-2023-23841 since 01/18/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1040 by the MITRE ATT&CK project.

Upgrading to version 15.4 eliminates this vulnerability. The upgrade is hosted for download at documentation.solarwinds.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27927). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

File Transfer Software

Vendor

SolarWinds

Name

Serv-U

Version

License

commercial

Website

Vendor: https://www.solarwinds.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (SolarWinds): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Cleartext transmission
CWE: CWE-319 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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

Timelineinfo

01/18/2023 🔍
06/16/2023 +148 days 🔍
06/16/2023 +0 days 🔍
02/26/2026 +986 days 🔍

Sourcesinfo

Vendor: solarwinds.com

Advisory: solarwinds.com
Status: Confirmed

CVE: CVE-2023-23841 (🔍)
GCVE (CVE): GCVE-0-2023-23841
GCVE (VulDB): GCVE-100-231714
EUVD: 🔍

Entryinfo

Created: 06/16/2023 07:27
Updated: 02/26/2026 07:45
Changes: 06/16/2023 07:27 (42), 07/14/2023 09:49 (21), 10/14/2025 17:01 (16), 02/26/2026 07:45 (8)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.