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TI-2021-13597 Aliases CVE-2021-34579GHSA-987p-cg63-5x62

PHOENIX CONTACT: FL MGUARD DM version 1.12.0 and 1.13.0 Improper Privilege Management

Priority MEDIUM 40CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.

Summary

In Phoenix Contact: FL MGUARD DM version 1.12.0 and 1.13.0 access to the Apache web server being installed as part of the FL MGUARD DM on Microsoft Windows does not require login credentials even if configured during installation.Attackers with network access to the Apache web server can download and therefore read mGuard configuration profiles (“ATV profiles”). Such configuration profiles may contain sensitive information, e.g. private keys associated with IPsec VPN connections.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00707 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Phoenix ContactFL MGUARD DM (2981974)1.12.0; 1.13.0—No fix listedCNA
  • FL MGUARD DM (2981974) VendorPhoenix Contact Affected 1.12.0; 1.13.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:phoenixcontact:fl_mguard_dm:1.12.0:*:*:*:*:*:*:*1.12.0VulnerablePhoenixcontact
cpe:2.3:a:phoenixcontact:fl_mguard_dm:1.13.0:*:*:*:*:*:*:*1.13.0VulnerablePhoenixcontact
  • cpe:2.3:a:phoenixcontact:fl_mguard_dm:1.12.0:*:*:*:*:*:*:* Versions 1.12.0 Vulnerable ·Phoenixcontact
  • cpe:2.3:a:phoenixcontact:fl_mguard_dm:1.13.0:*:*:*:*:*:*:* Versions 1.13.0 Vulnerable ·Phoenixcontact

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34579
  2. 2026-10-03 Alias added: GHSA-987p-cg63-5x62
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2014-07463 Phoenix Contact Software ProConOs and MultiProg Missing Authentication for Critical Function CVSS 2.0CRITICAL 10.0
  • TI-2024-17093 PHOENIX CONTACT: Remote code execution in CHARX Series CVSS 3.1CRITICAL 9.8
  • TI-2022-13692 Insufficient Verification of Data Vulnerability in PHOENIX CONTACT classic line industrial controllers CVSS 3.1CRITICAL 9.8
  • TI-2026-21959 Remote code execution via uploading a malicious IODD file CVSS 3.1CRITICAL 9.8
  • TI-2026-21940 Authentication Bypass in _account_log CVSS 3.1CRITICAL 9.8
  • TI-2023-03334 PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels CVSS 3.1CRITICAL 10.0
See all 194 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences