HOMEVULNERABILITIESCVE-2021-25178
HIGH

CVE-2021-25178

CWE-787Published: January 18, 2021· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A stack-based buffer overflow vulnerability exists when the recover operation is run with malformed .DXF and .DWG files. This can allow attackers to cause a crash potentially enabling a denial of service attack (Crash, Exit, or Restart) or possible code execution.

NVD Source

Technical Analysis

CVE-2021-25178 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

opendesign1 product(s)
drawings software development kit
siemens3 product(s)
comosjt2goteamcenter visualization
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
PATCHhttps://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
PATCHhttps://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
PATCHhttps://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
ADVISORYhttps://www.opendesign.com/security-advisories
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-220/
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-240/
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-243/
ADVISORYhttps://www.opendesign.com/security-advisories
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-220/
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-240/
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-243/

All References (12)

→
https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch · Third Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdfPatch · Third Party Advisory
→
https://www.opendesign.com/security-advisoriesVendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-21-220/Third Party Advisory · VDB Entry
→
https://www.zerodayinitiative.com/advisories/ZDI-21-240/Third Party Advisory · VDB Entry
→
https://www.zerodayinitiative.com/advisories/ZDI-21-243/Third Party Advisory · VDB Entry
→
https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch · Third Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdfPatch · Third Party Advisory
→
https://www.opendesign.com/security-advisoriesVendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-21-220/Third Party Advisory · VDB Entry
→
https://www.zerodayinitiative.com/advisories/ZDI-21-240/Third Party Advisory · VDB Entry
→
https://www.zerodayinitiative.com/advisories/ZDI-21-243/Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2021-25178
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected2 vendor(s)
PublishedJan 18, 2021

Related CVEs (CWE-787)

CVE-2015-5096
10.0
CVE-2015-5105
10.0
CVE-2012-0751
10.0
CVE-2011-1807
10.0
CVE-2013-5610
10.0
CVE-2015-5098
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-25178 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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