VDB-175444 · CVE-2021-27461 · icsa-21-138-01

Emerson Rosemount X-STREAM Gas Analyzer Webserver path traversal

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Emerson Rosemount X-STREAM Gas Analyzer. Impacted is an unknown function of the component Webserver. Executing a manipulation can lead to path traversal. The identification of this vulnerability is CVE-2021-27461. There is no exploit available.

Detailsinfo

A vulnerability was found in Emerson Rosemount X-STREAM Gas Analyzer (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component Webserver. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 05/21/2021 as icsa-21-138-01. The advisory is shared for download at us-cert.cisa.gov. This vulnerability was named CVE-2021-27461. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Emerson

Name

Rosemount X-STREAM Gas Analyzer

License

commercial

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/19/2021 🔍
05/21/2021 +90 days 🔍
05/21/2021 +0 days 🔍
05/23/2021 +2 days 🔍

Sourcesinfo

Advisory: icsa-21-138-01
Status: Not defined

CVE: CVE-2021-27461 (🔍)
GCVE (CVE): GCVE-0-2021-27461
GCVE (VulDB): GCVE-100-175444

Entryinfo

Created: 05/21/2021 07:50
Updated: 05/23/2021 10:36
Changes: 05/21/2021 07:50 (36), 05/23/2021 10:36 (2)
Complete: 🔍
Cache ID: 216::103