CISA ADP Vulnrichment

Answer in brief

CVE-2026-59693 records a Medium severity (CVSS 4.3) vulnerability in CISA ADP Vulnrichment. The current sources do not mark it as known exploited. The current feed maps Siemens/Desigo DXR2 (generic), Siemens/Desigo PXC3 (generic), Siemens/Desigo PXC4 (generic), Siemens/Desigo PXC5.E003 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 11, 2026Updated Aug 28, 2026Source checked Sep 25, 2026First seen by HOL Aug 11, 2026Material review Aug 28, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 4.3
Exploitation: Not marked as known exploited
Affected software: 6 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Siemens/Desigo DXR2 (generic), Siemens/Desigo PXC3 (generic), Siemens/Desigo PXC4 (generic), Siemens/Desigo PXC5.E003 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Siemens/Desigo DXR2generic	>=0 <V01.21.233.16-7862	V01.21.233.16-7862
Siemens/Desigo PXC3generic	>=0 <V01.21.233.16-7862	V01.21.233.16-7862
Siemens/Desigo PXC4generic	>=0 <V02.21.194.36-2715	V02.21.194.36-2715
Siemens/Desigo PXC5.E003generic	>=0 <V02.21.194.36-2715	V02.21.194.36-2715
Siemens/Desigo PXC5.E24generic	>=0 <V02.21.194.36-2715	V02.21.194.36-2715
Siemens/Desigo PXC7generic	>=0 <V02.21.194.36-2715	V02.21.194.36-2715

Recommended response

Check inventory. Check lockfiles and deployed manifests for Siemens/Desigo DXR2, Siemens/Desigo PXC3, Siemens/Desigo PXC4.
Review the reported fix. Update Siemens/Desigo DXR2 to V01.21.233.16-7862; Siemens/Desigo PXC3 to V01.21.233.16-7862; Siemens/Desigo PXC4 to V02.21.194.36-2715; Siemens/Desigo PXC5.E003 to V02.21.194.36-2715; Siemens/Desigo PXC5.E24 to V02.21.194.36-2715; Siemens/Desigo PXC7 to V02.21.194.36-2715 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 11, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 11, 2026

Sources and claim methodology

Source referencecert-portal.siemens.com

Upstream source description

A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.233.16-7862), Desigo PXC3 (All versions < V01.21.233.16-7862), Desigo PXC4 (All versions < V02.21.194.36-2715), Desigo PXC5.E003 (All versions < V02.21.194.36-2715), Desigo PXC5.E24 (All versions < V02.21.194.36-2715), Desigo PXC7 (All versions < V02.21.194.36-2715). The affected devices are vulnerable to a denial-of-service (DoS) vulnerability. An attacker can exploit this issue by sending a malformed BACnet packet, causing the device to stop responding to BACnet queries. Recovery requires a device reset or reboot to restore normal functionality.

Quoted source text, attributed separately from HOL analysis.