Siemens NX 1984/2406.3000 stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Siemens NX and classified as critical. The impacted element is an unknown function. This manipulation causes stack-based overflow. This vulnerability is tracked as CVE-2026-22923. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Siemens NX. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in NX (All versions < V2512), NX (Managed Mode) (All versions < V2512). The affected application contains a data validation vulnerability that could allow an attacker with local access to interfere with internal data during the PDF export process that could potentially lead to arbitrary code execution.

It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2026-22923 since 01/13/2026. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/11/2026).

Upgrading to version V2512 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (siemens): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: NX V2512

Timelineinfo

01/13/2026 CVE reserved
02/10/2026 +28 days Advisory disclosed
02/10/2026 +0 days VulDB entry created
03/11/2026 +29 days VulDB entry last update

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-535115
Status: Confirmed

CVE: CVE-2026-22923 (🔒)
GCVE (CVE): GCVE-0-2026-22923
GCVE (VulDB): GCVE-100-345187

Entryinfo

Created: 02/10/2026 11:42
Updated: 03/11/2026 02:17
Changes: 02/10/2026 11:42 (76), 03/11/2026 02:17 (2)
Complete: 🔍
Cache ID: 216::103

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