CVE-2021-34598
Phoenix Contact: FL MGUARD lack of memory release in remote logging functionality
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 the remote logging functionality is impaired by the lack of memory release for data structures from syslog-ng when remote logging is active
En Phoenix Contact FL MGUARD 1102 y 1105 en las versiones 1.4.0, 1.4.1 y 1.5.0, la funcionalidad remote logging está afectada por una falta de liberación de memoria para las estructuras de datos de syslog-ng cuando el registro remoto está activo
*Credits:
This vulnerability was discovered by a key customer. We kindly appreciate the coordinated disclosure of this vulnerability by the finder.
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-06-10 CVE Reserved
- 2021-11-10 CVE Published
- 2024-07-26 EPSS Updated
- 2024-09-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-401: Missing Release of Memory after Effective Lifetime
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://cert.vde.com/en/advisories/VDE-2021-046 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1102 Firmware Search vendor "Phoenixcontact" for product "Fl Mguard 1102 Firmware" | 1.4.0 Search vendor "Phoenixcontact" for product "Fl Mguard 1102 Firmware" and version "1.4.0" | - |
Affected
| in | Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1102 Search vendor "Phoenixcontact" for product "Fl Mguard 1102" | - | - |
Safe
|
| Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1102 Firmware Search vendor "Phoenixcontact" for product "Fl Mguard 1102 Firmware" | 1.4.1 Search vendor "Phoenixcontact" for product "Fl Mguard 1102 Firmware" and version "1.4.1" | - |
Affected
| in | Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1102 Search vendor "Phoenixcontact" for product "Fl Mguard 1102" | - | - |
Safe
|
| Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1102 Firmware Search vendor "Phoenixcontact" for product "Fl Mguard 1102 Firmware" | 1.5.0 Search vendor "Phoenixcontact" for product "Fl Mguard 1102 Firmware" and version "1.5.0" | - |
Affected
| in | Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1102 Search vendor "Phoenixcontact" for product "Fl Mguard 1102" | - | - |
Safe
|
| Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1105 Firmware Search vendor "Phoenixcontact" for product "Fl Mguard 1105 Firmware" | 1.4.0 Search vendor "Phoenixcontact" for product "Fl Mguard 1105 Firmware" and version "1.4.0" | - |
Affected
| in | Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1105 Search vendor "Phoenixcontact" for product "Fl Mguard 1105" | - | - |
Safe
|
| Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1105 Firmware Search vendor "Phoenixcontact" for product "Fl Mguard 1105 Firmware" | 1.4.1 Search vendor "Phoenixcontact" for product "Fl Mguard 1105 Firmware" and version "1.4.1" | - |
Affected
| in | Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1105 Search vendor "Phoenixcontact" for product "Fl Mguard 1105" | - | - |
Safe
|
| Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1105 Firmware Search vendor "Phoenixcontact" for product "Fl Mguard 1105 Firmware" | 1.5.0 Search vendor "Phoenixcontact" for product "Fl Mguard 1105 Firmware" and version "1.5.0" | - |
Affected
| in | Phoenixcontact Search vendor "Phoenixcontact" | Fl Mguard 1105 Search vendor "Phoenixcontact" for product "Fl Mguard 1105" | - | - |
Safe
|