CVE & CISA-KEV Catalog

CVE-2019-13939

HIGH
7.1
CVSS v3
NVD

Description

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.

CWE-20Improper Input Validation

How to fix

Remediation Available
apogee modular building controller firmwareNVD
Affected:< 2.8.2Fixed in:2.8.2CVE-2019-13939derived from NVD
apogee modular equiment controller firmwareNVD
Affected:< 2.8.2Fixed in:2.8.2CVE-2019-13939derived from NVD
desigo pxc00-e.d firmwareNVD
Affected:>= 2.3.0, < 6.00.327Fixed in:6.00.327CVE-2019-13939derived from NVD
desigo pxc00-u firmwareNVD
Affected:>= 2.3.0, < 6.00.327Fixed in:6.00.327CVE-2019-13939derived from NVD
desigo pxc001-e.d firmwareNVD
Affected:>= 2.3.0, < 6.00.327Fixed in:6.00.327CVE-2019-13939derived from NVD
desigo pxc12-e.d firmwareNVD
Affected:>= 2.3.0, < 6.00.327Fixed in:6.00.327CVE-2019-13939derived from NVD
desigo pxc22-e.d firmwareNVD
Affected:>= 2.3.0, < 6.00.327Fixed in:6.00.327CVE-2019-13939derived from NVD
desigo pxc22.1-e.d firmwareNVD
Affected:>= 2.3.0, < 6.00.327Fixed in:6.00.327CVE-2019-13939derived from NVD
desigo pxc36.1-e.d firmwareNVD
Affected:>= 2.3.0, < 6.00.327Fixed in:6.00.327CVE-2019-13939derived from NVD
nucleus readystartNVD
Affected:< 2017.02.2Fixed in:2017.02.2CVE-2019-13939derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityHigh

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

Exploit Intelligence

0.71%probability of exploitation in 30 days
49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2021-45105Medium5.9100%-Fix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2018-7600Critical9.8100%KEV + RansomFix
CVE-2020-3452High7.5100%KEVFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-06-10.