How severe is CVE-2021-25173?

CVE-2021-25173 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-25173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25173?

CVE-2021-25173 primarily affects Opendesign Drawings Software Development Kit. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25173?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-25173 published?

CVE-2021-25173 was published on 2021-01-18 and last updated on 2026-06-17.

CVE-2021-25173

CVE-2021-25173 is a high-severity vulnerability in Opendesign Drawings Software Development Kit with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Opendesign Drawings Software Development Kit
Published: 2021-01-18
Last modified: 2026-06-17

Description

An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory allocation with excessive size vulnerability exists when reading malformed DGN files, which allows attackers to cause a crash, potentially enabling denial of service (crash, exit, or restart).

Frequently asked questions

What is CVE-2021-25173?: An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory allocation with excessive size vulnerability exists when reading malformed DGN files, which allows attackers to cause a crash, potentially enabling denial of service (crash, exit, or restart).
How severe is CVE-2021-25173?: CVE-2021-25173 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-25173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25173?: CVE-2021-25173 primarily affects Opendesign Drawings Software Development Kit. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-25173 published?: CVE-2021-25173 was published on 2021-01-18 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:opendesign:drawings_software_development_kit:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*

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