CVE-2021-256775.3MediumCWE-330

CVE-2021-25677: Siemens APOGEE PXC Compact (BACnet) vulnerability

Siemens · APOGEE PXC Compact (BACnet)

Affected: Siemens APOGEE PXC Compact (BACnet) · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.2%probability of exploitation in the next 30 days

68th percentile

050100

Higher than 68% of scored CVEs

5.3MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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 < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected DNS modules), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions >= V0.5.0.0 < V1.0.0.0), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS client does not properly randomize DNS transaction IDs. That could allow an attacker to poison the DNS cache or spoof DNS resolving.

Affected products13

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Siemens · APOGEE PXC Compact (BACnet)All versions < V3.5.5
Siemens · APOGEE PXC Compact (P2 Ethernet)All versions < V2.8.20
Siemens · APOGEE PXC Modular (BACnet)All versions < V3.5.5
Siemens · APOGEE PXC Modular (P2 Ethernet)All versions < V2.8.20
Siemens · Nucleus NETAll versions
Siemens · Nucleus ReadyStart V3All versions < V2017.02.3
Siemens · Nucleus ReadyStart V3All versions < V2017.02.4
Siemens · Nucleus ReadyStart V4All versions < V4.1.0
Siemens · Nucleus Source CodeVersions including affected DNS modules
Siemens · SIMOTICS CONNECT 400All versions < V0.5.0.0
Siemens · SIMOTICS CONNECT 400All versions >= V0.5.0.0 < V1.0.0.0
Siemens · TALON TC Compact (BACnet)All versions < V3.5.5
Siemens · TALON TC Modular (BACnet)All versions < V3.5.5

On the Atlas

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Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Use of Insufficiently Random Values · Cryptography
Vendor: Siemens
Published: April 2021
Band: Possible (1 to 10%), April 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-25677 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.