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CVE-2019-13939

No known exploitation. EPSS puts it in the 53rd percentile. Fixed versions are out.

CVSS 3.17.1HighEPSS percentile53rd0.7% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products2 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU, CSAF

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Siemens APOGEE MEC/MBC/PXCAffected: All versions < V2.8.2Upgrade to: not statedStated by: CVE record
  • Siemens APOGEE PXC CompactAffected: < V3.5.3Upgrade to: V3.5.3Stated by: CVE record
  • Siemens APOGEE PXC CompactAffected: ≥ V2.8.2, < V2.8.19Upgrade to: V2.8.19Stated by: CVE record
  • Siemens APOGEE PXC ModularAffected: < V3.5.3Upgrade to: V3.5.3Stated by: CVE record
  • Siemens APOGEE PXC ModularAffected: ≥ V2.8.2, < V2.8.19Upgrade to: V2.8.19Stated by: CVE record

Versions as the sources state them. 36 more products have version data. Full version matrix after sign-in

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What it is

From the CVE record

A vulnerability has been identified in APOGEE MEC/MBC/PXC (P2) (All versions < V2.8.2), APOGEE PXC Compact (BACnet) (All versions < V3.5.3), APOGEE PXC Compact (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.3), APOGEE PXC Modular (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC00-U (All versions >= V2.3x and < V6.00.327), Desigo PXC001-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC100-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC12-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC128-U (All versions >= V2.3x and < V6.00.327), Desigo PXC200-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC36.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC50-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC64-U (All versions >= V2.3x and < V6.00.327), Desigo PXM20-E (All versions >= V2.3 < V6.0.327), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus Source Code (All versions), SIMOTICS CONNECT 400 (All versions < V0.3.0.330), TALON TC Compact (BACnet) (All versions < V3.5.3), TALON TC Modular (BACnet) (All versions < V3.5.3). By sending specially crafted DHCP packets to a device where the DHCP client is enabled, an attacker could change the IP address of the device to an invalid value.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS53rd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.7% chance of exploitation activity in the next 30 days, which ranks it in the 53rd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 1972 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified, att&ck mapped

Affected products

And 51 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Scored 7.1 by NVD.

How it is reached

  • Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity LowData modification is possible but limited in scope or consequence
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 11 more references. See all after sign-in

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