How severe is CVE-2021-27042?

CVE-2021-27042 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-2021-27042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27042?

CVE-2021-27042 primarily affects Autodesk Advance Steel. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27042?

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-2021-27042 published?

CVE-2021-27042 was published on 2021-06-25 and last updated on 2026-06-17.

CVE-2021-27042

CVE-2021-27042 is a high-severity vulnerability in Autodesk Advance Steel 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-755.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Autodesk Advance Steel
Published: 2021-06-25
Last modified: 2026-06-17

Description

A maliciously crafted DWG file can be used to write beyond the allocated buffer while parsing DWG files. The vulnerability exists because the application fails to handle a crafted DWG file, which causes an unhandled exception. An attacker can leverage this vulnerability to execute arbitrary code.

Frequently asked questions

What is CVE-2021-27042?: A maliciously crafted DWG file can be used to write beyond the allocated buffer while parsing DWG files. The vulnerability exists because the application fails to handle a crafted DWG file, which causes an unhandled exception. An attacker can leverage this vulnerability to execute arbitrary code.
How severe is CVE-2021-27042?: CVE-2021-27042 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-2021-27042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27042?: CVE-2021-27042 primarily affects Autodesk Advance Steel. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27042?: 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-2021-27042 published?: CVE-2021-27042 was published on 2021-06-25 and last updated on 2026-06-17.

References

https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0007

Affected products (10)

cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*

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