VDB-174445 · CVE-2021-3154 · GCVE-0-2021-3154

SolarWinds Serv-U up to 15.2.1 Macro injection

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in SolarWinds Serv-U up to 15.2.1. It has been classified as critical. The impacted element is an unknown function of the component Macro Handler. This manipulation causes injection. This vulnerability is registered as CVE-2021-3154. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in SolarWinds Serv-U up to 15.2.1 (File Transfer Software). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Macro Handler. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality.

The weakness was published 05/04/2021. The advisory is shared at documentation.solarwinds.com. This vulnerability is known as CVE-2021-3154. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

Upgrading to version 15.2.2 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider 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: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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 15.2.2

Timelineinfo

01/15/2021 🔍
05/04/2021 +108 days 🔍
05/04/2021 +0 days 🔍
05/07/2021 +3 days 🔍

Sourcesinfo

Vendor: solarwinds.com

Advisory: documentation.solarwinds.com
Status: Confirmed

CVE: CVE-2021-3154 (🔍)
GCVE (CVE): GCVE-0-2021-3154
GCVE (VulDB): GCVE-100-174445

Entryinfo

Created: 05/04/2021 22:29
Updated: 05/07/2021 14:31
Changes: 05/04/2021 22:29 (39), 05/07/2021 14:31 (5)
Complete: 🔍
Cache ID: 216::103