VDB-186478 · CVE-2021-34598 · VDE-2021-046

Phoenix Contact FL MGUARD 1102/FL MGUARD 1105 1.4.0/1.4.1/1.5.0 Remote Logging memory leak

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Phoenix Contact FL MGUARD 1102 and FL MGUARD 1105 1.4.0/1.4.1/1.5.0. The affected element is an unknown function of the component Remote Logging. Executing a manipulation can lead to memory leak. This vulnerability appears as CVE-2021-34598. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Phoenix Contact FL MGUARD 1102 and FL MGUARD 1105 1.4.0/1.4.1/1.5.0. It has been declared as problematic. This vulnerability affects an unknown code block of the component Remote Logging. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.

The weakness was presented 11/10/2021 as VDE-2021-046. The advisory is available at cert.vde.com. This vulnerability was named CVE-2021-34598 since 06/10/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

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

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Productinfo

Vendor

Phoenix Contact

Name

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (CERT@VDE): 🔍

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: Memory leak
CWE: CWE-401 / CWE-404
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/10/2021 🔍
11/10/2021 +153 days 🔍
11/10/2021 +0 days 🔍
11/12/2021 +2 days 🔍

Sourcesinfo

Advisory: VDE-2021-046
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-34598 (🔍)
GCVE (CVE): GCVE-0-2021-34598
GCVE (VulDB): GCVE-100-186478

Entryinfo

Created: 11/10/2021 15:09
Updated: 11/12/2021 13:21
Changes: 11/10/2021 15:09 (48), 11/12/2021 13:21 (2)
Complete: 🔍
Cache ID: 216::103