Security readout for executives and security teams
Plain-English summary
CVE-2023-24551 affects Siemens Solid Edge when a user opens a malicious PAR file. Successful exploitation could let attacker-supplied code run with the same rights as the Solid Edge process. The business risk is highest for engineering teams that exchange CAD files with external parties.
Executive priority
Prioritize remediation for engineering workstations that handle external CAD files. This is not described as active exploitation, but the impact is full code execution in the user process, making timely patching appropriate for exposed design environments.
Technical view
The issue is a heap-based buffer underflow in PAR file parsing in Solid Edge SE2022 before V222.0MP12 and SE2023 before V223.0Update2. The CVSS 3.1 score is 7.8 with local attack vector, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to workstations running affected Solid Edge versions and users who open PAR files. Organizations receiving CAD files from customers, suppliers, or email attachments have the most relevant exposure. The bundle does not indicate server-side or remote network exposure.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The CVSS temporal vector marks exploit maturity as proof-of-concept, but no exploit details are provided here. Exploitation requires convincing a user to open a specially crafted PAR file.
Researcher notes
Analysis is limited to the supplied CVE data and Siemens advisory reference. The bundle confirms affected products, version thresholds, weakness class, parsing trigger, and code execution impact. It does not provide exploit indicators, workaround specifics, or evidence of exploitation in the wild.
Mitigation direction
- Update Solid Edge SE2022 to V222.0MP12 or later.
- Update Solid Edge SE2023 to V223.0Update2 or later.
- Check Siemens advisory SSA-491245 for current vendor guidance.
- Limit opening PAR files from untrusted or unexpected sources.
- Quarantine and review externally supplied CAD files before use.
Validation and detection
- Inventory Solid Edge installations and record exact SE2022 or SE2023 build levels.
- Confirm no affected versions remain below the documented fixed thresholds.
- Identify teams that receive PAR files from external parties.
- Review endpoint telemetry for Solid Edge crashes after PAR file handling.
- Verify user guidance covers unexpected CAD attachments and supplier files.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-122: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-24551 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdfCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
