High severity · published Jan 16, 2020
CVE-2019-13939
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…
7.1
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Apogee Modular Building Controller Firmware · Siemens
before 2.8.2 · source: NVD
AM
Apogee Modular Equiment Controller Firmware · Siemens
before 2.8.2 · source: NVD
AP
Apogee Pxc Firmware · Siemens
through 2.8.2 · source: NVD
CV
Capital Vstar · Siemens
All versions, or not specified · source: NVD
DP
Desigo Pxc Firmware · Siemens
2.3 and later · source: NVD
DP
Desigo Pxc00-e.d Firmware · Siemens
2.3.0 before 6.00.327 · source: NVD
DP
Desigo Pxc00-u Firmware · Siemens
2.3.0 before 6.00.327 · source: NVD
DP
Desigo Pxc001-e.d Firmware · Siemens
2.3.0 before 6.00.327 · source: NVD
DP
Desigo Pxc12-e.d Firmware · Siemens
2.3.0 before 6.00.327 · source: NVD
DP
Desigo Pxc22-e.d Firmware · Siemens
2.3.0 before 6.00.327 · source: NVD
DP
Desigo Pxc22.1-e.d Firmware · Siemens
2.3.0 before 6.00.327 · source: NVD
DP
Desigo Pxc36.1-e.d Firmware · Siemens
2.3.0 before 6.00.327 · source: NVD
Affected product
AM
Apogee Modular Building Controller Firmware
Siemens
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13939
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13939
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-162506.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-434032.html
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdf
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-434032.pdf
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-105-06
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