Phoenix Contact FL MGUARD 2102 Environment Variable FW_PORTFORWARDING.SRC_IP injection

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Phoenix Contact FL MGUARD 2102, FL MGUARD 2105, FL MGUARD 4102 PCI, FL MGUARD 4102 PCIE, FL MGUARD 4302, FL MGUARD 4305, FL MGUARD CENTERPORT VPN-1000, FL MGUARD CORE TX, FL MGUARD CORE TX VPN, FL MGUARD DELTA TX, TX, TX VPN, FL MGUARD GT, GT, GT VPN, FL MGUARD PCI4000, FL MGUARD PCI4000 VPN, FL MGUARD PCIE4000, FL MGUARD PCIE4000 VPN, FL MGUARD RS2000 TX, TX-B, FL MGUARD RS2005 TX VPN, FL MGUARD RS4000 TX, TX-M, TX-P, FL MGUARD RS4004 TX, DTX, DTX VPN, FL MGUARD SMART2, FL MGUARD SMART2 VPN, TC MGUARD RS2000 3G VPN, TC MGUARD RS2000 4G ATT VPN, TC MGUARD RS2000 4G VPN, TC MGUARD RS2000 4G VZW VPN, TC MGUARD RS4000 3G VPN, TC MGUARD RS4000 4G ATT VPN, TC MGUARD RS4000 4G VPN and TC MGUARD RS4000 4G VZW VPN. This affects an unknown function of the component Environment Variable Handler. Executing a manipulation of the argument FW_PORTFORWARDING.SRC_IP can lead to injection. This vulnerability is tracked as CVE-2024-43391. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Phoenix Contact FL MGUARD 2102, FL MGUARD 2105, FL MGUARD 4102 PCI, FL MGUARD 4102 PCIE, FL MGUARD 4302, FL MGUARD 4305, FL MGUARD CENTERPORT VPN-1000, FL MGUARD CORE TX, FL MGUARD CORE TX VPN, FL MGUARD DELTA TX, TX, TX VPN, FL MGUARD GT, GT, GT VPN, FL MGUARD PCI4000, FL MGUARD PCI4000 VPN, FL MGUARD PCIE4000, FL MGUARD PCIE4000 VPN, FL MGUARD RS2000 TX, TX-B, FL MGUARD RS2005 TX VPN, FL MGUARD RS4000 TX, TX-M, TX-P, FL MGUARD RS4004 TX, DTX, DTX VPN, FL MGUARD SMART2, FL MGUARD SMART2 VPN, TC MGUARD RS2000 3G VPN, TC MGUARD RS2000 4G ATT VPN, TC MGUARD RS2000 4G VPN, TC MGUARD RS2000 4G VZW VPN, TC MGUARD RS4000 3G VPN, TC MGUARD RS4000 4G ATT VPN, TC MGUARD RS4000 4G VPN and TC MGUARD RS4000 4G VZW VPN. This vulnerability affects some unknown functionality of the component Environment Variable Handler. The manipulation of the argument FW_PORTFORWARDING.SRC_IP 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 availability. CVE summarizes:

A low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, packet forwarding, network access control or NAT through the FW_PORTFORWARDING.SRC_IP environment variable which can lead to a DoS.

The weakness was disclosed by Andrea Palanca as VDE-2024-039. The advisory is available at cert.vde.com. This vulnerability was named CVE-2024-43391 since 08/12/2024. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-40264). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (CERTVDE): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/12/2024 🔍
09/10/2024 +29 days 🔍
09/10/2024 +0 days 🔍
08/22/2025 +346 days 🔍

Sourcesinfo

Advisory: VDE-2024-039
Researcher: Andrea Palanca
Status: Confirmed

CVE: CVE-2024-43391 (🔍)
GCVE (CVE): GCVE-0-2024-43391
GCVE (VulDB): GCVE-100-276922
EUVD: 🔍

Entryinfo

Created: 09/10/2024 11:19
Updated: 08/22/2025 12:22
Changes: 09/10/2024 11:19 (65), 09/11/2024 10:21 (1), 09/28/2024 01:02 (11), 10/01/2024 09:43 (4), 08/22/2025 12:22 (1)
Complete: 🔍
Cache ID: 216::103

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

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