01 Record

CVE-2021-25176

An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash,

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash,

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.31% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 82.9% of scored records. A rank, not a probability.
NVD base score: 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-01-18 07:13Z5 YR AGO

Last updated

2024-08-03 19:56Z2 YR AGO

Reserved

2021-01-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

c6e196100e3fa76c7b682777f3b2a2d6d6f1719b3b49ad6aa8fb809dfb14c254

05 Affected products

VendorProductVersionsPlatforms

opendesigndrawings_software_development_kitNot specified—

siemenscomosNot specified—

siemensjt2goNot specified—

siemensteamcenter_visualizationNot specified—

06 References

www.opendesign.comhttps://www.opendesign.com/security-advisoriesx_refsource_MISC
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdfx_refsource_CONFIRM
www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-21-221/x_refsource_MISC
www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-21-222/x_refsource_MISC
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfx_refsource_CONFIRM