BlackTreeCVE Intelligence
← Back to the CVE catalogue
Full vulnerability report · 2026
CVE-2024-43384High confidence

Phoenix Contact: Improper removal of sensitive information in MGUARD products

PHOENIX CONTACT · FL MGUARD 2102

8.0HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:High, unchanged from published severity.unchanged

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • EPSS is 0.34% for the current model date.

Compensating controls

  • Restrict the affected network interface to trusted sources where business-safe.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs PHOENIX CONTACT FL MGUARD 2102 and falls inside the recorded affected range.
  2. Recheck the vendor advisory before scheduling a change because no verified fixed version is currently retained.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 30 daysRemediation target: Within 180 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2024-55567

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

A low privileged remote attacker can gain the root password due to improper removal of sensitive information before storage or transfer.

What

A low privileged remote attacker can gain the root password due to improper removal of sensitive information before storage or transfer.

Why

The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may obtain information outside the intended access boundary.

What

A low privileged remote attacker can gain the root password due to improper removal of sensitive information before storage or transfer.

Why

The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may obtain information outside the intended access boundary.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → Improper Removal of Sensitive Information Before Storage or Transfer → obtain information outside the intended access boundary
Attack surface
Network
Privileges required
Low: a basic authenticated account is required
User interaction
Required interaction required
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-212 ↗

CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer. The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkCWE-212
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-2024-2079Phoenix Contact FL MGUARD: Mehrere Schwachstellen

Ein entfernter Angreifer kann mehrere Schwachstellen in Phoenix Contact FL MGUARD ausnutzen, um seine Privilegien zu erhöhen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu erzeugen.

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2026-015267PHOENIX CONTACTのfl mguard 2102 ファームウェア等の複数製品における保存または転送前の重要な情報の削除に関する脆弱性

低権限のリモート攻撃者が、保存または転送前に機密情報が適切に削除されないため、ルートパスワードを取得する可能性があります。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix not verified
Affected
  • FL MGUARD 2102: < 10.4.1
  • FL MGUARD 2105: < 10.4.1
  • FL MGUARD 4102 PCI: < 10.4.1
  • FL MGUARD 4102 PCIE: < 10.4.1
  • FL MGUARD 4302: < 10.4.1
  • FL MGUARD 4305: < 10.4.1
  • FL MGUARD CENTERPORT VPN-1000: < 8.9.3
  • FL MGUARD CORE TX: < 8.9.3
  • FL MGUARD CORE TX VPN: < 8.9.3
  • FL MGUARD DELTA TX/TX: < 8.9.3
  • FL MGUARD DELTA TX/TX VPN: < 8.9.3
  • FL MGUARD GT/GT: < 8.9.3
  • FL MGUARD GT/GT VPN: < 8.9.3
  • FL MGUARD PCI4000: < 8.9.3
  • FL MGUARD PCI4000 VPN: < 8.9.3
  • FL MGUARD PCIE4000: < 8.9.3
  • FL MGUARD PCIE4000 VPN: < 8.9.3
  • FL MGUARD RS2000 TX/TX-B: < 8.9.3
  • FL MGUARD RS2000 TX/TX VPN: < 8.9.3
  • FL MGUARD RS2005 TX VPN: < 8.9.3
  • FL MGUARD RS4000 TX/TX: < 8.9.3
  • FL MGUARD RS4000 TX/TX-M: < 8.9.3
  • FL MGUARD RS4000 TX/TX-P: < 8.9.3
  • FL MGUARD RS4000 TX/TX VPN: < 8.9.3
  • FL MGUARD RS4004 TX/DTX: < 8.9.3
  • FL MGUARD RS4004 TX/DTX VPN: < 8.9.3
  • FL MGUARD SMART2: < 8.9.3
  • FL MGUARD SMART2 VPN: < 8.9.3
  • TC MGUARD RS2000 3G VPN: < 8.9.3
  • TC MGUARD RS2000 4G ATT VPN: < 8.9.3
  • TC MGUARD RS2000 4G VPN: < 8.9.3
  • TC MGUARD RS2000 4G VZW VPN: < 8.9.3
  • TC MGUARD RS4000 3G VPN: < 8.9.3
  • TC MGUARD RS4000 4G ATT VPN: < 8.9.3
  • TC MGUARD RS4000 4G VPN: < 8.9.3
  • TC MGUARD RS4000 4G VZW VPN: < 8.9.3
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 7 May 2026 · Last source change 7 May 2026, 14:32 UTC · CWE-212 · Improper Removal of Sensitive Information Before Storage or Transfer

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2024-55567
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceCNA
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2024-55567↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2024-43384 · cve.blacktree.nl