How severe is CVE-2021-27039?

CVE-2021-27039 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-2021-27039 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27039?

CVE-2021-27039 primarily affects Autodesk Autocad. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27039?

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-2021-27039 published?

CVE-2021-27039 was published on 2021-07-09 and last updated on 2026-06-17.

CVE-2021-27039

CVE-2021-27039 is a high-severity vulnerability in Autodesk Autocad 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Autodesk Autocad
Published: 2021-07-09
Last modified: 2026-06-17

Description

A maliciously crafted TIFF and PCX file can be forced to read and write beyond allocated boundaries when parsing the TIFF and PCX file for based overflow. This vulnerability can be exploited to execute arbitrary code.

Frequently asked questions

What is CVE-2021-27039?: A maliciously crafted TIFF and PCX file can be forced to read and write beyond allocated boundaries when parsing the TIFF and PCX file for based overflow. This vulnerability can be exploited to execute arbitrary code.
How severe is CVE-2021-27039?: CVE-2021-27039 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-2021-27039 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27039?: CVE-2021-27039 primarily affects Autodesk Autocad. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27039?: 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-2021-27039 published?: CVE-2021-27039 was published on 2021-07-09 and last updated on 2026-06-17.

References

https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0004

Affected products (6)

cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:design_review:2011:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:design_review:2012:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:design_review:2013:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:design_review:2017:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:design_review:2018:*:*:*:*:*:*:*

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