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CVE-2021-27042

HIGHCVSS 7.8/10EPSS 1.80%

Last modified

CVE-2021-27042 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
1.80%

75.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AutodeskAdvance Steel>= 2019, < 2019.1.3
AutodeskAdvance Steel>= 2020, < 2020.1.4
AutodeskAdvance Steel>= 2021, < 2021.1.1
AutodeskAdvance Steel>= 2022, < 2022.0.1
AutodeskAutocad>= 2019, < 2019.1.3
AutodeskAutocad>= 2020, < 2020.1.4
AutodeskAutocad>= 2021, < 2021.1.1
AutodeskAutocad>= 2022, < 2022.0.1
AutodeskAutocad Architecture>= 2019, < 2019.1.3
AutodeskAutocad Architecture>= 2020, < 2020.1.4
AutodeskAutocad Architecture>= 2021, < 2021.1.1
AutodeskAutocad Architecture>= 2022, <= 2022.0.1
AutodeskAutocad Electrical>= 2019, < 2019.1.3
AutodeskAutocad Electrical>= 2020, < 2020.1.4
AutodeskAutocad Electrical>= 2021, < 2021.1.1
AutodeskAutocad Electrical>= 2022, < 2022.0.1
AutodeskAutocad Lt>= 2019, < 2019.1.3
AutodeskAutocad Lt>= 2020, < 2020.1.4
AutodeskAutocad Lt>= 2021, < 2021.1.1
AutodeskAutocad Lt>= 2022, < 2022.0.1
AutodeskAutocad Map 3d>= 2019, < 2019.1.3
AutodeskAutocad Map 3d>= 2020, < 2020.1.4
AutodeskAutocad Map 3d>= 2021, < 2021.1.1
AutodeskAutocad Map 3d>= 2022, < 2022.0.1
AutodeskAutocad Mechanical>= 2019, < 2019.1.3
AutodeskAutocad Mechanical>= 2020, < 2020.1.4
AutodeskAutocad Mechanical>= 2021, < 2021.1.1
AutodeskAutocad Mechanical>= 2022, < 2022.0.1
AutodeskAutocad Mep>= 2019, < 2019.1.3
AutodeskAutocad Mep>= 2020, < 2020.1.4
AutodeskAutocad Mep>= 2021, < 2021.1.1
AutodeskAutocad Mep>= 2022, < 2022.0.1
AutodeskAutocad Plant 3d>= 2019, < 2019.1.3
AutodeskAutocad Plant 3d>= 2020, < 2020.1.4
AutodeskAutocad Plant 3d>= 2021, < 2021.1.1
AutodeskAutocad Plant 3d>= 2022, < 2022.0.1
AutodeskCivil 3d>= 2019, < 2019.1.3
AutodeskCivil 3d>= 2020, < 2020.1.4
AutodeskCivil 3d>= 2021, < 2021.1.1
AutodeskCivil 3d>= 2022, < 2022.0.1

References

Timeline

Published
Last Modified
Status
Modified

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 score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27042?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27042?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST