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CVE-2020-28388

A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3...

Published: Feb 9, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-342
6.5MEDIUM
NVD MITRE
EPSS Score
1.4%
Top 30.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

APOGEE PXC / TALON TC field panels (BACnet before V3.5.5 and P2 Ethernet before V2.8.20) contain multiple vulnerabilities: - CVE-2022-45937: A privilege management vulnerability that could allow low privilege authenticated attackers to gain high privilege access. - CVE-2020-28388: Predictable Initial Sequence Numbers in the TCP/IP Stack of Nucleus RTOS (real-time operating system) used by the affected products. - Several vulnerabilities in the DNS (domain name service) implementation of Nucleus RTOS. Siemens has released updates for the affected products and recommends to update to the latest versions.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-342NVD-CWE-Other

Affected Products

Siemens AG
commercial·DEaka Siemens
APOGEE PXC Compact (BACnet)
ICS / OT / IoT
APOGEE PXC Compact (P2 Ethernet)
ICS / OT / IoT
APOGEE PXC Modular (BACnet)
ICS / OT / IoT
APOGEE PXC Modular (P2 Ethernet)
ICS / OT / IoT
Nucleus NET
ICS / OT / IoT
Nucleus ReadyStart V3
ICS / OT / IoT
Nucleus Source Code
ICS / OT / IoT
PLUSCONTROL 1st Gen
ICS / OT / IoT
and 14 more affected products View all →

Exploitability

Official Patch Available

References

https://cert-portal.siemens.com/productcert/csaf/ssa-180579.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-180579.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf
cert-portal.siemens.com
and 17 more references View all →

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